1
re + noun phrase (as preposition, meaning 'concerning')
常用于信件或备忘录的主题行，表示话题。
Re: your recent email
关于您最近的邮件
关于
先理解核心含义，再看它在真实句子里的用法。
关于
regarding; concerning
Re: your recent email
关于您最近的邮件
关于,至于,有关；尤其用于信件、文件、电子邮件和判例法中。
About, regarding, with reference to; used especially in letters, documents, emails and case law.
In music class, we sang the scale do, re, mi, fa, sol, la, ti.
在音乐课上，我们唱音阶do、re、mi、fa、sol、la、ti。
The conductor asked the choir to hold the note re for two whole beats.
指挥要求合唱团把re这个音符保持整整两拍。
Learning to sing the re clearly is important for beginners.
清晰唱好re对于初学者来说很重要。
常用于信件或备忘录的主题行，表示话题。
Re: your recent email
关于您最近的邮件
re 是 real estate 的缩写，常见于商业或投资语境。
The re market is booming.
房地产市场正在蓬勃发展。
Not this
Please re me as soon as possible.
Use this
Please reply to me as soon as possible.
误将“re”用作动词，表示“回复”。实际上，“re”是介词，意为“关于”，不能作动词使用。
Not this
Re he is sick, we should cancel the meeting.
Use this
Re his sickness, we should cancel the meeting.
误将“re”用作连词，后接从句。实际上，“re”是介词，后面应接名词或名词短语。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
关于你的邮件
Re your email, I have attached the report.
回复你的邮件，我已附上报告。
关于我们的会议
Re our meeting, I will send you the agenda.
关于我们的会议，我会发议程给你。
关于此事
Re the matter of the contract, we need to discuss further.
关于合同一事，我们需要进一步讨论。
关于您的询问
Re your inquiry, we are pleased to provide the following information.
关于您的询问，我们很高兴提供以下信息。
Re，一缕金色阳光。
In the song 'Do-Re-Mi' from The Sound of Music, the note 're' is famously described as 'a drop of golden sun'.
在《音乐之声》的歌曲《Do-Re-Mi》中，音符're'被生动地描述为‘一缕金色阳光’。
Use re naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将 're' 联想为 'real estate' 的缩写，发音类似 '睿'，记住它表示不动产。
多用于正式信函或电子邮件主题，表示‘关于’、‘事由’。
The following words rhyme with the target /riː/. Note that words spelled with '-re' like 'are', 'ore', 'ire' are pronounced differently (e.g., /ɑːr/, /ɔːr/, /aɪər/).
Dictionary facts from ECDICT, WIKTIONARY.