Fluoridizer
氟化剂, 氟化器
🗣️ 情景例句
Betty, you had it, but you didn't say it.
Betty你知道答案， 但是你没有说出来。
Eat at pleasure, drink with measure.
随意吃饭，适度饮酒。
Have you just made a new film, Miss Marsh?
您刚拍完一部新电影吗，马什小姐？