Hydroxyapatite
[化] 羟磷灰石; 羟基磷灰石\\n[医] 羟磷灰石
🗣️ 情景例句
I have loved Lillian all these years,
这些年来我一直爱着Lillian，
You'd have a better chance of catching the train if you took a bus to the station instead of walking.
如果你不是步行而是乘公共汽车的话，那你就比较有可能赶上火车。
Yes, do please. That's a good idea.
对，就谈这个。那是一个好主意。