Bluestone
n. 硫酸铜, 胆矾\\n[化] 胆矾; 蓝灰砂岩
🗣️ 情景例句
who used to run the drugstore in town.
他过去在镇上经营药房。
A good fame is better than a good face.
好的名望胜于好的相貌。
A barking dog doesn't bite!
吠犬不咬人。