◎ expressivity是什么意思 n. 善于表达, 基因的表现度, 表达性[医] 表现度(指遗传特性) expressivity的用法和例句: 1. When he didn't have no expression and didn't show any expression, it kind of scared me. 他这样面无表情 毫无微笑 真有点吓到我了 2. And I think...