Hydroxyapatite
[化] 羟磷灰石; 羟基磷灰石\\n[医] 羟磷灰石
🗣️ 情景例句
That was fast.
而且又快。
I'm going to show him how to speak English.
我正要指点他如何讲英语。
The tree was planted near the church fifty years ago, but it is only in recent years that it has gained an evil reputation.
该树是50年前栽在教堂附近的，但只是近几年才得到了一个坏名声。