Stiperstone
[地质]斯蒂珀岩层
🗣️ 情景例句
If you waste all your time playing computer games, you'll never get anywhere in life.
如果你花过多的时间在电脑游戏上，你将前途黯淡。
Do you have any other flights?
你们还有别的班机吗？
I spent the whole day in my room, but I did not write a single card!
我在房间里关了整整一天。然而竟连一张明信片也没写成！