Renex
678聚环氧乙烷烷基芳基醚
🗣️ 情景例句
I haven't dated any one else since her mother died.
自从她母亲去世之后 我从没有和别人约会过。
I know the boy whose father is a missionary.
我知道那个男孩的父亲是传教士。
Hello. You must be Dr Yang. How do you do? My name's David Lee.
嗨。你一定是杨博士吧。您好！我是大卫·李。