Plumbi nitras
[医] 硝酸铅
🧩 词语组成解析
[医] 铅(82号元素)
🗣️ 情景例句
We just got here.
我们才刚刚到这儿。
We don't have an extension.
我们没有分机。
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。