Barylite
硅钡铍石
🗣️ 情景例句
Do I have to get it done by noon?
我必须在中午以前做完吗？
John could not decide when to leave.
约翰无法决定几时要出发。
Chaplin and his friend are caught on the edge of a mountain in a snow storm in a small wooden house.
卓别林和他的朋友被一场暴风雪困在山边的一间小木房里。