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地球如此壮观

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以至于生命中的小事物很容易被忽视

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但如果仔细看看

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你将会发现一个完全未知的世界

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这个世界中的微型英雄

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和小怪兽们

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需要无比强大的超能力

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才能在险象环生中存活下来

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当个小动物可不容易

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生活在巨大生物的世界里

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（旁白 保罗路德）

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一直在受到欺压

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有时更惨

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但有些地方是大型动物无法触及的

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在这些地方 小动物反而更有优势

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这里气温极高

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非常干燥

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飞沙走石

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这些沙丘非常危险

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只有那些足够机智

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足够小的动物

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才有一丝存活下来的希望

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《沙丘》

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这是地球上最不适宜居住的地形之一

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纳米布沙漠的沙丘 是世界上最大、最古老的

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至今仍在风中流动

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短短六个月时间 整个地貌都会改变

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但无论如何

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小动物们必须在这广袤的沙海中找到方向

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这是一条纳米比亚变色龙

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大概和我们的一只手一样大

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它似乎对沙丘生活的适应程度

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不如这里的其他小生物

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这是一只铲吻蜥蜴

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它只有变色龙四分之一大

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能在炙热的沙子上一秒内冲过3米距离

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变色龙呢？

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它可没有那么快

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它的爪子生来是为了抓树枝的

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而不是沙子

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但这个不寻常的流浪者在沙丘上游荡 因为它有重要使命

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即寻找配偶

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就在沙漠中的某处

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在沙漠上空飞行要容易得多

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沙鸡非常适应沙丘上的生活

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但这里没有任何饮用水

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所以这些小鸟每天都会进行 英勇的寻水之旅

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远在80公里之外

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它们抵达了一个不同的世界

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这里有着大型、饥饿的捕食者

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像所有飞到这里的沙鸡一样

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这只公沙鸡必须喝水

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所以它在等待

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时间刚刚够它快速喝一小口

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公沙鸡回到一生的伴侣身边 它栖息在沙丘间的石头中

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这对忠贞的伴侣轮流孵蛋

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好让另一半去喝水

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但是生活即将变得更加复杂

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它们的蛋快要孵化了

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新生的雏鸟需要水 否则就会在烈日下死去

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到了正午 保持凉爽事关生死

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这一次 变色龙有更好的应对方法

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它把皮肤变成白色 反射阳光

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但铲吻蜥蜴一如既往地技高一筹

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它有酷炫的舞步

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沙子的表面温度可高达摄氏70度

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但上方1厘米的地方 温度要低10度

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所以它抬起大脚就能快速散热

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当温度过高时

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铲形的嘴就成了救命稻草

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表面以下20厘米处就是舒适的摄氏30度

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这只蛛蜂不怕酷热

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敏感的触角让这只母蜂 能够感知到藏在沙子里的生物

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它的长度不超过一个回形针

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它会挖开两大桶沙子来寻找猎物

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这是一只金轮蜘蛛

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蛛蜂的蛰刺会让蜘蛛麻痹

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蜘蛛的叮咬是致命的

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当这些沙漠中的角斗士起了冲突 蜘蛛很少能赢

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但它确实有…

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一种神奇的逃跑策略

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逃离蛛蜂的视野范围

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脱离危险

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就差一点

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下午3点左右

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沙丘上的小动物都不见了

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气温达到了峰值 摄氏50度

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热浪只有快到傍晚才会开始消退

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这已经足够让一群年轻的狒狒 来到沙丘边缘

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它们既爱嬉戏又好奇

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但都是不速之客

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沙漠雨蛙是夜行动物

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吵醒了它们 后果自负

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雨蛙只有一个高尔夫球那么大

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但是脾气可不小

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还有一点时间 再打个盹

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然后白天活动的生物 就要为夜行动物让路了

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随着夜幕的降临

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气温也降了下来

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沙漠变得更热闹了

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也变得更加吵闹

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这是疲惫动物的摇篮曲

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夜行动物的起床号

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也是猎手们开饭的铃声

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仓鸮在沙丘间进行地毯式搜索 倾听小猎物的声音

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但更狡猾的捕食者

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在下方潜伏着

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游荡在…

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沙子之下

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这是沙漠中的鲨鱼

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纳米布金鼹鼠

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它完全没有视觉 个头比鸡蛋还小

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它超大的头骨可以用作监听天线

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监测白蚁的脚步声

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白蚁是它全部水和食物的来源

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只要一夜能捕食60只左右即可

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许多其他夜行动物 也加入了疯狂进食的行列

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困倦的雨蛙变成了一只白蚁终结者

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但白蚁会反击

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因为鼹鼠的头太大了 它很难把白蚁从身上甩掉

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鼹鼠只能钻入沙子来逃离白蚁噬咬

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和躲避其他未知危险

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清晨

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变色龙又饿又冷

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为了取暖 它把朝向阳光一侧的身体变成深色

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这样当甲虫出现时

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变色龙已经准备就绪

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这是新手会犯的错

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这个品种的甲虫味道如此难吃

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以至于没有一条变色龙会再犯同样的错误

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一段不可思议的旅程在等着伪步行虫

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要爬上350米的沙丘 对瓶盖大小的甲虫来说很难

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但是绝对值得

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在某些特殊的清晨 沙丘会被雾笼罩

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这正是这只甲虫在等待的

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它背部凹陷的沟渠让雾气在这里凝结

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再将水导流到它的口器中

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它像是从空气中变出了水来

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这种甲虫几乎可以喝自身体重一半的水

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向沙丘下走的甲虫

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比向上走的美味多了

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比起某些动物 变色龙也许对这里的生活适应得没那么好

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但如果比不过

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那就吃掉它们

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沙鸡雏鸟孵化了

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即使清晨的太阳还未升高 它们也需要鸟妈妈来遮阴

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气温很快会变得太热 没有水的话 它们就会死去

148
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鸟爸爸是它们的希望

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它找到了一个新的水坑 这里没有那么多大型捕食者

150
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但是它的体型太小

151
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即使在这些温柔的大家伙中游走也不容易

152
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把水运回给雏鸟就更难了

153
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这是一只苍鹰

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它是来这里捕猎口渴的猎物的

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为了拯救自己的雏鸟 鸟爸爸甘冒生命危险

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它的腹部长着特殊的吸水性羽毛

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一只公沙鸡沾上的水足以填满一个小酒杯

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它准备把水运回给雏鸟了

159
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回家的旅途 是一段满负载、长达两小时的飞行

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刚好赶上

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雏鸟从鸟爸爸的羽毛中尝到了第一口水

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它必须在两个月中 每天来一次这样的冒险之旅

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直到雏鸟学会飞行

164
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变色龙的使命把它引到了一片纳拉瓜丛

165
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这是个找阴凉的好地方

166
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运气好的话

167
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还能找到母变色龙

168
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这会是它脱单之时吗？

169
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为了表达自己的感受 母变色龙改变了颜色

170
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并翩翩起舞

171
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看来母变色龙没看上对方

172
00:22:50,913 --> 00:22:53,290
但是交配对象在这里非常难找

173
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也许只能将就一下了

174
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母变色龙不会逗留

175
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很快便会产卵

176
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公变色龙心满意足

177
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但也精疲力竭

178
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五千五百万年的演化

179
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造就了这些最不可思议的沙漠适应性

180
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用韧性和智谋

181
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小动物在纳米比亚荒凉的沙丘上生生不息

182
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在沙子中掩埋了几个月后 比高尔夫球钉还小的变色龙宝宝出现了

183
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变色龙的血脉会继续传承下去

184
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未来还有许多挑战

185
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最好一步步慢慢走

186
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字幕翻译：吴梦熊