Bluestone
n. 硫酸铜, 胆矾\\n[化] 胆矾; 蓝灰砂岩
🗣️ 情景例句
Of course.
当然可以。
The ancient Roman civilization was finally destroyed by the nomadic tribles.
古罗马终于被游牧民族灭亡了。
Perhaps it will solve my problem, but I just haven't had time to read it!
也许这本书能解决我的问题，但我一直还没时间去看这本书！