Hambergite
[化] 硼铍石
🗣️ 情景例句
What classes are mandatory for your major?
你的专业什么课是必修的？
Marian is wearing a dress designed Paris.
玛丽安穿着巴黎设计的时装。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，