er讀音，英音?i ɑ?(r)，美音?i ɑ?r，n.急救室； 急診室。
壹、er英音?i?'ɑ?(r)，美?i?'ɑ?r， abbr. （=emergency room）急診室，化元素鉺（erbium）的符號，int.呃，（思索該說什麽話時發出的聲音）哦，嗯。復數ERs。
二、例句：
1、Now, er, dogs can live to fifteen.
哦，狗能活15年。
2、We decide to take him to the er.
我們決定把他帶往急診室。
3、She called the er and asked if they had tested her for it ?
她給急診室打電話，詢問他們檢測出她得的是什麽疾病？
4、The television in the er says fatality has reached 23 % , and a nurse turns it off.
急診室裏的電視報道說這種病的死亡率已經達到23%，壹位護士趕緊把電視關掉。
5、My young daughters instantly fathomed the solution to the head-scratching riddle from my childhood about the injured child admitted to the er.
我年輕的女兒很快就了解了我童年時期的受傷孩子被許可進入急診室的令人撓頭的難題的解決辦法。
6、On this day , however , he walked a bit faster after getting a call from the er about a biker who 'd been carved open by a bus.
但那天早上，他走的匆匆忙忙，因為他剛剛接到急診室的電話，壹個騎自行車的人被巴士嚴重撞傷。