Osteite
[医] 骨化中心
🗣️ 情景例句
I don't know what-to do.
我不知道怎么做。
I gave her my address and she gave me hers.
我把我的地址给她，她也把她的给了我。[九六广州初中会考]
Sure! Work must come first!
当然啦！工作必须先做嘛！