opposable
adjective /əˈpəʊzəbl/
/əˈpəʊzəbl/
- (of a thumb) capable of touching the other fingers on the same hand in order to hold things
相对的:能够触摸同一只手上的其他手指以握住东西 - the opposable thumb of humans and monkeys
人类和猴子的对生拇指
- the opposable thumb of humans and monkeys