Abrasivity
冲蚀度
🗣️ 情景例句
Does he have a family?
他有亲人吗？
Just do what it says.
照着做就对了。
Since that time, various types of hovercraft have appeared and taken up regular service.
从那以后，各种各样的气垫船出现了，并开始了定期航行服务。