Fluorid
n. 氟化物
🗣️ 情景例句
A baby gets used to voices.
婴儿习惯各种声音。
I'll finish working at 5:30 and get home by 6 o'clock.
我希望在5:30完成工作并且在6点钟回家。
The price increases haven't been too bad at all.
没有涨太多。