Plumbi nitras
[医] 硝酸铅
🧩 词语组成解析
[医] 铅(82号元素)
🗣️ 情景例句
There is still a week to go before the vacation begins.
现在距离假期还有一星期。
Don't you think she's cute?
你不认为她很可爱吗？
Where?
在哪儿？