The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth
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4 发言者
2 章次 章 次
29 分部分会议
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Sailfish, three meters long, are closing in on prey. They will only use just enough energy to make their kill, never wasting a fin stroke. Nearly a hundred sailfish have surrounded a single school of baitfish. It's very rare to see so many …
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2:42章章章 章章 章 次 第一章 章 第一章 一章 2: the move. · Speaker 3
the move.