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
I see. By the way, what benefit can we get if we act as your agent?
明白。顺便问一下，假如我们做你们的代理会有什么好处？
How much is it by air mail?
航空信要多少钱？
'We mustn't buy things we don't need,' I remarked suddenly.
“我们不应该买我们不需要的东西，”我突然发表意见说，