Fluorated
氟酸盐\\n氟化
🗣️ 情景例句
Let's make it 6:00 at your place, is that OK?
咱们六点在你们家见，好吗？
I don't know how to work the machine.
我不懂得怎样使这部机器运转。
The armchairs are near the table.
那些扶手椅靠近桌子。