Percivalite
钠铝辉石
🗣️ 情景例句
and used to play drums with the jazz band on weekends.
周末还经常在爵士乐队中打鼓。
The missile is in pursuit of the jet.
导弹追赶着喷气机。
Is it okay to smoke in the office?
在办公室里抽烟可以吗？