Trichalcite
丝砷铜矿
🗣️ 情景例句
I've been thinking about it for weeks now.
为这事我想了几个星期。
The bus is bigger than other cars, but too crowded.
巴士虽然比小汽车大，但是太拥挤了。
But we have a few small differences, too.
但是我们之间还有些小的差别的。