Cmms
abbr. Carbon Monoxide Measuring System 一氧化碳测量系统
🗣️ 情景例句
It's a privilege to know you.
认识您是我的荣幸。
We can't recall how long it's been.
我们记不起来经历了多久了。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。