Plumbi nitras
[医] 硝酸铅
🧩 词语组成解析
[医] 铅(82号元素)
🗣️ 情景例句
Well, when you called,
嗯， 你们打电话来时，
She is timid and completely at a loss what to do.
她羞臊得不知所措。
I don't know. sir.
我不知道，先生。