Pernitric acid
[化] 过硝酸
🧩 词语组成解析
🗣️ 情景例句
Have you gotten over your cold?
你感冒好了吗？
I get to my office at 10:30.
十点半到办公室。
They are too high. Be careful, Jim! It's dangerous.
它们太高了，小心，吉姆！那很危险。