◎ envelopment是什么意思 n. 包, 包围, 封套, 封皮, 封, 裹 n the act of enclosing something inside something else envelopment的用法和例句： 1. The who, where, and when are in this envelope. 谁 在哪儿 什么时候 都在信封里 2. It is such a lot of them, I need e...
