Ers
abbr. 设备要求规格（Equipment Requirement Specification）；经济研究处（Economic Research Service）；欧洲遥感卫星（Europe Remote Sensing Satellite）；地球资源卫星（Earth Resources Satellite）
🗣️ 情景例句
Eight o'clock is fine.
八点钟可以。
When the belly is full the mind is among the maids.
逸则思淫。饱则思淫欲？
Hi! I'm sorry I was out when you rang.
你好！我很抱歉，你打电话时我出去了。