Fluorid
n. 氟化物
🗣️ 情景例句
Lies cannot hide facts.
谎言掩盖不了事实。
What do you think of my children?
你认为我的孩子怎么样？
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。