Bluestone
n. 硫酸铜, 胆矾\\n[化] 胆矾; 蓝灰砂岩
🗣️ 情景例句
You need some rest to help you get better quickly.
需要多休息， 好让你很快恢复。
She likes to keep up with the latest fashion.
她喜欢赶时髦。
I gave him fifty pence yesterday and advised him to save it.
昨天，我给了他50便士让存起来，