Er
int. (表示说话时的犹豫、迟疑)哦,嗯
abbr. 急救室(emergency room)
例句
Er, did you do trips to Scotland?
嗯,你们有去苏格兰的旅游吗?
Er, is it an apple?
嗯, 它是苹果吗?
People that are addicted to drugs get, er, help from the government one way or another.
那些吸毒上瘾的人,呃,通过某种方式获得政府的帮助。
《柯林斯英汉双解大词典》