Fluorides
n. [无化] 氟化物, 氰化物（fluoride的复数形式）
🗣️ 情景例句
your reasons for wanting an animal.
你要养动物的原因。
No, I can't go to bed till she says Good night to me.
不，除非她向我道晚安，不然我睡不着。
Oddly shaped forms that are suspended form the ceiling and move in response to a gust of wind are quite familiar to everybody.
人们所熟悉的是悬挂在天花板上、造型奇特、随风飘荡的雕塑品。