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
This is fun.
很有意思。
If he doesn't, will you fix it?
如果他不，你会修理它吗？
Yes, that's right! Where did you see it?
对，没错！你在哪见过吗？