有奖纠错
| 划词
科学60秒-科学美国人 2019年7月合

There's one more intriguing secret contained in the remains: proteinaceous material.

质物质。

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TED-Ed(视频版)

It's thought that they may have evolved such an excruciating defense because they forage in rainforest canopies loaded with predators looking for proteinaceous snacks.

人们认,它们可已经进化出如此强大的防御它们在充满捕食者的热带雨林树冠中觅食,寻找质类零食。

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