Fluorating
氟化
🗣️ 情景例句
He ventured to speak to her.
他鼓起勇气向她说话。
Please don't snack; you will ruin your dinner.
请别吃点心了，你会对正餐失去胃口的。
The order will be mailed to you next week.
下星期就寄给你们。