Premandibular
下颌前的
🗣️ 情景例句
let me give you some additional thoughts and ideas I have.
让我提出一些另外的想法。
You'd better go and see a doctor about that.
关于那个毛病，你最好去看医生。
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。