Plumbi nitras
[医] 硝酸铅
🧩 词语组成解析
[医] 铅(82号元素)
🗣️ 情景例句
Thank my son Robbie.
谢我儿子Robbie吧。
It is our permanent principle that contracts are honored and commercial integrity is maintained.
重合同、守信用是我们的一贯原则。
So she's been at this school since September?
这么说来，她自9月份才在这所学校学习？