Cementocyte
牙骨质细胞
🗣️ 情景例句
It's OK, Susan.
太好了， Susan。
These clothes are very beautiful, but I can't afford to pay that much.
这些衣服很漂亮，但是我买不起。
We have new methods like compensation trade and joint ventrue.
我们有补偿贸易和合资经营。