mutism

['mju:tizəm]

释义

n.缄默症；不言症
an inability to speak, due to a physical defect, conscious refusal, or psychogenic inhibition.

例句
Raj: Excuse me, I have selective mutism, a recognized medical disorder. (The Big Band Theory)
拉什：不好意思，我有选择性缄默症，一种公认的医学疾病。（生活大爆炸）