Hydroxylapatite
(=hydroxyapatite)羟磷灰石
🗣️ 情景例句
Thank you. It's delicious.
谢谢，味道很好。
Beauty is truth, truth beauty.
美就是真，真就是美。
We hope you enjoyed the visit to the showroom.
希望你还喜欢我们的展示室