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.
進攻上，她用那巨大的利爪與攻擊性的拇指，以協助打擊對手。
They are the only mammals on the earth, with such obvious similarities as hands (with opposable thumbs), brain function, and facial expressions.
他們是世界上唯一的與人類如此相似的哺乳動物，比如手（相反的拇指），大腦功能和麪部表情。
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.
把手機設置成自拍模式，扔曏空中的同時按下拍攝按鈕，還要完成擊掌這一動作。。

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