involuntary
US /ɪnˈvɑː.lən.ter.i/
UK /ɪnˈvɒl.ən.tər.i/
形容詞
不自覺的
not done by choice; done unwillingly, or without the decision or intention of the person involved:
範例:
•
A sharp tap on the knee usually causes an involuntary movement of the lower leg.