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 are going upstairs to set up Grandpa's room.
我们要上楼收拾一下爷爷的房间。
The water has risen over the riverbank.
洪水溢过了防堤。
It is called a clavichord.
被称作古钢琴，