Cascade system
[化] 串级系统
🧩 词语组成解析
🗣️ 情景例句
But I've never had the pleasure of doing any business with you.
可是同贵公司尚无业务往来。
Walk groundly; talk profoundly; drink roundly; sleep soundly.
行路踏实，言谈深刻，饮酒豪爽，睡眠酣畅。
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。