They met with the headmaster during lunchtime.

他们在午餐时间会见了校长。

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When you are in your school dining hall during lunchtime, you may feel lonely unless you can find someone to have lunch with.

当你在学校食堂吃午饭的时候，你可能会感到孤独，除非你能找到一个人一起吃午饭。

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We go after school and during lunchtime.

我们在放学后去和午饭时间去。

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In the U.S. people are sharing content in the morning but actually engaging with content and clicking through during lunchtime.

FORBES: What's The Best Time To Share Social Content?

During lunchtime on sunny days, crowds of students grab food at the many small cafes, restaurants or bistros by Metro Saint Michel or Vavin and picnic in the Jardin du Luxembourg.

BBC: Best student cities: Paris

The security system took several seconds to come down during the lunchtime attack, but the thief made no effort to get away.

BBC: Norwich jewellery thief snared by shop shutters