| 释义 |
- abbr.《美国经济评论》（期刊）（American Economic Review）；阴离子交换树脂
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There is a conference going on in town and…er, let's see, yeah, no rooms. - 2
Andrew felt shy and said in a low voice, "Er, no, but..." - 3
A lot of times, -er at the end of a word means "a person who does something". 很多时候，“-er”在单词的末尾表示“做某事的人”。
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