It is easy to be captivated by intelligent, seemingly friendly sea creatures such as dolphins or even by the hunting prowess of the more sinister sharks.

我们很容易被聪明而貌似友好的海洋生物，如海豚，乃至较险恶的鲨鱼狩猎的威力所迷惑。

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However, by the early 1900s, unchecked trapping, poisoning, and hunting of these highly intelligent predators drove the species to the brink of extinction.

然而20世纪初期，泛滥的诱捕，下毒和狩猎使这个聪明的物种濒临灭绝。

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Elephants are intelligent; they understand that people are hunting them down for their tusks.

大象很聪明，牠们明白人类为了牠们的牙在身后追杀着。

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