单词opposable-thumb
网络: 对生拇指；可相对拇指
An important adaptation of humans is a strong opposable thumb, which allows us to grip and manipulate things with our hands.
人类最强的适应力是重要的拇指，我们可以用它将东西紧握和运用。
The opposable thumb allows them to pick up small items and grip objects from both sides.
利用拇指和手指可以捡拾小东西和抓握物体。
Another important trait that apes share with man and other primates is the opposable thumb.
与人类和其他灵长目动物共有的另一个重要特征是，无尾猿有与其他手指相对的大拇指。