Fluoridizer
氟化剂, 氟化器
🗣️ 情景例句
I've never seen you so wound up.
我从来没有看过你这么紧张。
I'm glad to hear that.
听到这消息我很高兴。
The sorry-looking, blackened figure that emerged, admitted at once that he had tried to break into the shop during the night but had got stuck in the chimney.
那个看来满脸沮丧、浑身漆黑的家伙从烟囱里一出来，就承认头天夜里他企图到店里行窍，但让烟囱卡住了。