Fluorid

n. 氟化物

🗣️ 情景例句

I've got a lot of work to do.
我有很多工作要做。
Yes. It was delicious.
是的，味道很好。
What happened before printing was invented?
印刷术发明以前是怎么一回事？
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🔤 更多 F 开头的单词

fagopyrin
family Sylviidae
fibrocystic
fill fɪl
first-class mail
flesh split
forefathers ['fɔ:ˌfa:ðəz]
Fosbury
全部 F 开头单词 ›