Schalfnerite
铜钒铅锌矿
🗣️ 情景例句
I wish Robbie and Alexandra had come to this meeting.
我真希望Robbie和Alexandra已经来参加开会。
Feed by measure and defy physician.
饮食有节制，医生无用处。
How many of you are making the trip?
你们有多少人去旅行？