involuntary
US /ɪnˈvɑː.lən.ter.i/
UK /ɪnˈvɑː.lən.ter.i/
形容词
1.
非自愿的
not done by choice; done unwillingly, or without the decision or intention of the person involved:
示例:
•
A sharp tap on the knee usually causes an involuntary movement of the lower leg.
在 Lingoland 学习这个单词