Fluoride
[ ['flu?raid] ]
成人 Adult Edu
n. 氟化物\\n[化] 氟化物
?? 牛津釋義
fluoride
n
chemical compound of fluorine 氟化物.
??? 情景例句
You fold the fliers.
你來摺傳單。
An old dog bites sore.
老狗咬人痛得很。
Later a neighbour told me about him.
后來，一位鄰居告訴了我他的情況。