Fluoridizer
氟化剂, 氟化器
🗣️ 情景例句
Could you tell me what's in this?
您能告诉我这里面是什么吗？
We'll have fine weather for the next few days?
以后几天天气晴朗。
I suggest we go shopping together and look for a nice tank.
我建议我们一块去买，找个好看的水箱。