opposable thumb

基本解释

Offensively she has large, sharp claws to assist with climbing and opposable thumbs to providing better gripping ability against opponents.
进攻上，她用那巨大的利爪与攻击性的拇指，以协助打击对手。
They are the only mammals on the earth, with such obvious similarities as hands (with opposable thumbs), brain function, and facial expressions.
他们是世界上唯一的与人类如此相似的哺乳动物，比如手（相反的拇指），大脑功能和面部表情。
In your phone's selfie mode put those opposable thumbs to work by trying to press the button while simultaneously throwing the phone in the air and then clapping.
把手机设置成自拍模式，扔向空中的同时按下拍摄按钮，还要完成击掌这一动作。。

Second, it features opposable thumbs, which enables it to be used for right and left hand applications.
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The handicraft is what separates the couture from ready-to-wear, the way opposable thumbs separate us from our less-evolved cousins.
ECONOMIST: Fur and fashion