Fluorapatite
[医] 氟磷灰石
🗣️ 情景例句
Do you want-that-magazine?
你想要那本杂志吗？
The United Nations conference is projected for next year.
联合国大会预定明年召开。
The situation is serious. Something must be done before it's too late.
形势危急。得及时采取措施。