Envelops
n. 包络线；信封（envelop的复数）
🗣️ 情景例句
Absolutely.
绝对是真的。
I have too much work to do to take time off for fun and games.
我工作多得没有游戏玩乐的时间。
They killed the bison, cut off the skins and left the bodies behind to rot.
他们把野牛杀死剥皮，尸体就任其腐烂。