Berkeyite
开蓝石
🗣️ 情景例句
Good afternoon, Mrs. Martin. I've come to see Mr. Martin.
您好，马丁夫人。我来看看马丁先生。
Would you care to answer my question on the warranty?
你可以回答我有关保证的问题吗？
The flames threw light onto the ceiling of the cave.
火焰照亮了山洞的顶部。