Plumbous acid
[化] 铅酸(二价铅为正铅,四价为高铅)
🧩 词语组成解析
a. 亚铅的, 含二价铅的\\n[化] 铅的; 二价铅的
🗣️ 情景例句
We talk about him at dinner time.
我们吃晚餐时总谈起他。
I didn't know whether to send the letter airmail or not.
我不知道是否送航空邮件。
It was carrying some large bags of rice. Suddenly one of the bags fell off the truck.
它运载着大包大包的米。突然一袋米从卡车上掉了下来。