Bluestone
n. 硫酸铜, 胆矾\\n[化] 胆矾; 蓝灰砂岩
🗣️ 情景例句
Do you know a faster route to ...
你知道去……的近路吗？
I generally agree with you.
我大体上同意你的看法。 九、 Asking For Help 请别人帮忙
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。