involutionn.
英 ɪnvə'l(j)uːʃ(ə)n | 美 ,ɪnvə'lʊʃən
中文n. [生物] 退化；纠缠（的事物）；乘方
词根词源
involution (n.)late 14c., from Latin involutionem (nominative involutio) "a rolling up," noun of action from past participle stem of involvere (see involve). Related: Involutional.
关键词