Er
英 [ˌiː ˈɑː(r)]
美 [ˌiː ˈɑːr]
n. 急救室; 急诊室
BNC.99
牛津词典
exclamation
- （思索该说什么话时发出的声音）哦，嗯
the sound that people make when they are deciding what to say next- ‘Will you do it?’ ‘Er, yes, I suppose so.’
“你会干这事儿吗？”“哦，会的，我想我会。”
- ‘Will you do it?’ ‘Er, yes, I suppose so.’
柯林斯词典
- 急救室;急诊室
TheERis the part of a hospital where people who have severe injuries or sudden illnesses are taken for emergency treatment.ERis an abbreviation for (缩略=) 'emergency room'.
in BRIT, use 英国英语用 casualty, A & E