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
Where's your grandson Robbie and his friend Alexandra?
你的孙子Robbie和他的朋友Alexandra呢？
He has a book.
他有一本书。
The deepest holes of all are made for oil, and they go down to as much as 25,000 feet.
在所有洞穴中，为寻找石油所钻的洞是最深的，这些洞可深达25，000英尺。