Manganous fluoride
[建] 氟化锰
🧩 词语组成解析
a. [化](亚)锰的, 二价锰的
fluoride
[['fluəraid]]
n. 氟化物\\n[化] 氟化物
🗣️ 情景例句
Dad, Richard--Alexandra's here.
爸爸 Richard Alexandra来了。
That's a tough question to answer.
那是一个很难回答的问题。
How long did it take you to accomplish this complicated job?
你花了多久才作完这复杂的活儿？