Pref
abbr. 优先（preference）；序幕（preface）；字首（prefix）
🗣️ 情景例句
I think I did.
我想是的。
Your English is very good.
你的英语很好。
The deepest holes of all are made for oil, and they go down to as much as 25,000 feet.
在所有洞穴中，为寻找石油所钻的洞是最深的，这些洞可深达25，000英尺。