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
U2 are touring here in October, and I hear they put on quite a show.
U2 八月份将来这里做巡回演出，我听说他们的表演很卖力。
How much does the elephant weight?
这个大象有多重？
Is everyone here? asked Mother.
“都到齐了吗？”母亲问。