Cobltian arsenopyrite
[化] 钴毒砂
🧩 词语组成解析
n. 毒砂, 含砷黄铁矿
🗣️ 情景例句
Grandpa, when did Dad graduate from Michigan?
爷爷，爸爸是什么时候从Michigan毕业的？
I got my hair cut.
我剪了头发。
In a few years the small workshop had become a large factory which employed seven hundred and twenty-eight people.
几年之后，小铺子已经发展成了一个雇有728人的大工厂。