文章列表
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1.纪录片《我们的地球》 第68期 洞穴迷宫(07)
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Peregrine falcons and bat hawks are the jet fighters of the bird world. 游隼和蝠鹞是鸟类中的喷气式战斗机 Good hunting will end as the light fades so t...
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2.纪录片《我们的地球》 第69期 洞穴迷宫(08)
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They're cave swiftlets. 它们就是洞金丝燕 Like bats, they use echolocation to navigate. 和蝙蝠一样,它们也利用回声定位来导航 We need lights to see what...
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3.纪录片《我们的地球》 第70期 洞穴迷宫(09)
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The pure white nests of cave swiftlets are the main ingredient of bird's nest soup 洞金丝燕的纯白燕窝是燕窝羹的主要成分 and, gram for gram, are worth ...
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4.纪录片《我们的地球》 第71期 洞穴迷宫(10)
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If the water seeps through the ceiling quickly, 若是水从洞顶滴落的速度较快 then the calcite is deposited on the floor of the cave, and that creates st...
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5.纪录片《我们的地球》 第72期 洞穴迷宫(11)
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Mexico's Yucatan peninsula has no rivers, lakes or streams, 墨西哥的尤卡坦半岛没有河流、湖泊和小溪 so the Maya relied on the cenotes, the flooded entr...
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6.纪录片《我们的地球》 第73期 洞穴迷宫(12)
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So far, more than 350 miles of underwater galleries in the Yucatan have been mapped. 人们迄今为止已绘制了350英里的尤卡坦半岛地下水系图 But still, nobo...
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7.纪录片《我们的地球》 第74期 洞穴迷宫(13)
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The tighter the squeeze, the greater the chance of damaging some vital life-support system. 瓶颈越是狭窄,便越有可能损坏一些重要的生存设备。 In these ...
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8.纪录片《我们的地球》 第75期 洞穴迷宫(14)
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The Maya understood the importance of the ce ote\s, 玛雅人知道沼穴的重要性 but they could never have known that these flooded passageways were actuall...
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9.纪录片《我们的地球》 第54期 淡水资源(11)
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At dawn, the first adult midges start to break out. 黎明时分,第一只成蚊破蛹而出 Soon, millions upon millions of newly-hatched lake flies are taking t...
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10.纪录片《我们的地球》 第55期 淡水资源(12)
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Baikal is the oldest lake in the world 贝加尔湖是世界上最古老的湖泊 and despite the harsh conditions, life flourishes here in isolation. 尽管生存条件...