1
at lunchtime
表示在午餐时间这个时间点。
We usually eat at lunchtime.
我们通常在午餐时间吃饭。
午餐时间
先理解核心含义，再看它在真实句子里的用法。
午餐时间
the customary or habitual hour for eating lunch
We usually eat at lunchtime.
我们通常在午餐时间吃饭。
午餐时间
The time or hour at or around which lunch is normally eaten.
工作或学校的午餐休息时间
A break in work or school to eat lunch.
I usually take a walk during lunchtime to clear my mind.
我通常在午餐时间散步来清醒头脑。
The cafeteria is very crowded at lunchtime.
午餐时间食堂非常拥挤。
His favorite part of the day is lunchtime.
他一天中最喜欢的时间是午餐时间。
表示在午餐时间这个时间点。
We usually eat at lunchtime.
我们通常在午餐时间吃饭。
强调在午餐时间这个时间段内。
The office is closed during lunchtime.
办公室在午餐时间关闭。
表示在午餐时间之前。
Please finish the report by lunchtime.
请在午餐时间前完成报告。
lunchtime 用作定语，修饰名词。
She has a lunchtime meeting every Tuesday.
她每周二都有午餐时间会议。
Not this
We usually have lunch in lunchtime.
Use this
We usually have lunch at lunchtime.
英语中表示具体时间点（如lunchtime）用介词at，而不用in。中文'在午餐时间'容易导致误用in。
Not this
I had a quick lunchtime between classes.
Use this
I had a quick lunch between classes.
lunchtime指午餐时间段，而非餐食本身。表达'吃午餐'应用lunch，避免混淆。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
在午餐时间
The meeting is scheduled at lunchtime.
会议安排在午餐时间。
午休时间
We usually take a 30-minute lunchtime break.
我们通常有30分钟的午休时间。
午餐高峰期
The cafeteria is crowded during the lunchtime rush.
午餐高峰期食堂很拥挤。
午餐特价
The restaurant offers a lunchtime special every weekday.
这家餐厅每个工作日提供午餐特价。
午餐菜单
Let's check the lunchtime menu before ordering.
点餐前我们看看午餐菜单吧。
Use lunchtime naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将 lunch（午餐）和 time（时间）结合，就是午餐时间。
[object Object]
All listed words rhyme with lunchtime, sharing the same stressed vowel /aɪ/ and ending /m/ (so /aɪm/). They also share the spelling pattern '-ime'.
Dictionary facts from ECDICT, WIKTIONARY.