Biplumbic
[醫] 二鉛的, 含兩個鉛原子的
??? 情景例句
we can ship the goods one month ahead of time.
我們可以提前一個月起運。
If you cannot bite, never show your teeth.
不能打仗，切莫出兵。
What seems to be the delay in shipping?
你們出貨延遲了，是什么原故呢？