Could we meet at lunchtime?

我们能在午餐时间见个面吗？

《柯林斯英汉双解大词典》

The place is packed at lunchtime.

这个地方在午餐时间非常拥挤。

《柯林斯英汉双解大词典》

Let's split up now and meet again at lunchtime.

我们现在先分开，午饭时再集合。

《牛津词典》

Sometime after you've eaten, say you had this Snickers bar at lunchtime and you don't have time to get anything else to eat during the day, your blood glucose level will go down.

有时候你们吃完饭以后,午饭的时候你吃了士力架,在这一天当中你又没时间吃别的东西,你的血糖水平就会下降

耶鲁公开课 - 生物医学工程探索课程节选

At lunchtime, Critzer and her coaches sat down at a table in the empty school library.

NEWYORKER: Personal Best

Simply round up four colleagues and ask them to watch your presentation Tuesday at lunchtime.

FORBES: How can I find out if my presentation works? -Presentation Training

At lunchtime on a recent sunny day, thousands of employees poured out of their buildings.

WSJ: The Forbidden City of Terry Gou