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为啥arm前用an不用a
更新时间: 2020-09-23 00:00:00  

a 是元音,an 是元音的辅音,后面没有元音就用a,有元音就用 an, a,e,i,o,u为元音,多用an。

看单词是否发元音,就要看音标,一般元音字母都是a、e、i、o、u,当然也有特殊的像university,就不是元音,像hour就是元音,因为h不发音,还有y有时也发元音。

关键词: 为啥 arm an 不用

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