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
That's a good sign.
这是个好兆头。
One good head is better than a hundred strong hands.
上百双有力的手，不如一个聪明的头脑。
We have just moved into a new house and I have been working hard all morning.
我们刚刚搬进一所新房子，我辛辛苦苦地干了整整一个上午。