| 释义 |
a/ə; ə; strong 强读 e; eI/ also 又作 an (before a vowel sound 用于元音前） determiner 1 used to show that you are talking about something or someone that has not been mentioned before, or that the listener does not know about [→ the] 一﹐一个〔用于未曾提及或对方不知道的物或人的名称前〕:
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