Preenvelop
预包络
🗣️ 情景例句
I think it's time for the wedding to begin.
我想是婚礼可以开始的时候了。
I would like to check her sewing machine.
我要去检查她的缝纫机。
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。