美 [ri:]
英 [ri:]
- na.'re =are
权威英汉双解
英汉
英英
're
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prep.
1. （用于商业信函等开头介绍主题或回复电子邮件）关于，事由used at the beginning of a business letter, etc. to introduce the subject that it is about; used on an email that you are sending as a reply
're
必应网