Fluosilic acid
[医] 氟硅酸
🧩 词语组成解析
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
There is a skeleton in every house.
每座房子都有骨架。
We can give you a better one at thesame price.
我们可以给你更好的一种，价钱一样。