Barcenite
[化] 锑酸汞矿
🗣️ 情景例句
Your family or the public?
你的家人还是公众
I played outside this morning.
我今早在外面玩。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。