Sharpstone
尖角石; 尖角岩屑
🗣️ 情景例句
We have 5 international patents which we are ready to sell.
我们有五项国际专利可以出售。
There is a crook(=affliction,trial) in the lot of every one.
人生总有倒楣事；人生总有不如意处。
I live near an airport and passing planes can be heard night and day.
我住在一个机场附近，过往飞机日夜不绝于耳。