Peroxy-nitric acid
[化] 过硝酸
🧩 词语组成解析
a. 氮的, 含氮的, 硝石的
🗣️ 情景例句
Did you finish the ...?
你完成了……吗？
He's an American.
他是美国人。
The situation is serious. Something must be done before it's too late.
形势危急。得及时采取措施。