Osteo
[医][=osteologist]骨骼学家
🗣️ 情景例句
Ask him to join us for lunch.
请他来和我们一起吃午饭。
I invited hime to come up, but he wouldn't.
我请他上来，但是他不肯。
What was the problem with this method?
这种方法有什么毛病吗？