Chalcanthite
n. 胆矾, 五水合硫酸铜, 蓝矾\\n[化] 蓝矾; 胆矾; 五水硫酸铜; 五水合硫酸铜
🗣️ 情景例句
This is very helpful, Mrs. Martinelli.
这样很有用， Martinelli太太。
Yes, I do.
是的，我有。
They also have the disadvantage of being an expensive form of transport.
飞机另一个缺点是昂贵。