Fluoride
[ ['fluəraid] ]
成人 Adult Edu
n. 氟化物\\n[化] 氟化物
📖 牛津释义
fluoride
n
chemical compound of fluorine 氟化物.
🗣️ 情景例句
And very good-looking, like his mother.
也很漂亮 ，像他妈妈。
Thereis no wool so white but a dyer can make it black.
羊毛再白，也能染黑。
There isn't any water in the bottle.
瓶子里一点水也没有。