Polypackage
聚合包装(一个大包装内装几个小包装)
🗣️ 情景例句
Thanks a lot.
多谢。
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
Hello, Li Lei. Who are they?
你好，李磊，他们是谁？