Peroxychromates
[机] 过氧铬酸盐
🗣️ 情景例句
Yes. I'm sorry, but how do you spell your last name, sir?
好的，不过对不起，先生你的姓怎么拼？
If you have any comment about these clauses, do not hesitate to make.
对这些条款有何意见，请尽管提，不必客气。
After making a short test flight at 4,15 a.m.,
布莱里奥凌晨4点15分作了一次短距离试飞，