Fluoridizer
氟化剂, 氟化器
🗣️ 情景例句
I don't care what the critics say, Mr. Stewart.
我不管评论家怎么说 ，Stewart先生
Though thy enemy seem a mouse,yet watch him like a lion.
敌人即使小如鼠，防他也要如防狮。
No matter how busy you are, he always insists on coming with you.
不管你多忙，他总是坚持要跟你去。