Copperas
n. 绿矾\\n[化] 绿矾; 水绿矾; 皂矾(天然结晶硫酸亚铁)
🗣️ 情景例句
Simply this.
简单说来是这样的。
May I use the telephone?
我能用一下电话吗？
The settlers built railways across the plains and began to hunt even more bison.
殖民者在平原上修起了铁路，于是开始猎取更多的野牛。