时差用英语怎么说？
①jet lag.
②equation of time.
③time difference .
三个都有时差的意思吗？一般是用哪个呢？

Question

时差用英语怎么说？
①jet lag. 
②equation of time. 
③time difference .
三个都有时差的意思吗？一般是用哪个呢？

Answer

Jet lag = 时差问题 - This is a problem that people have when they fly to a another country, and have some trouble adjusting to the new time zone.
Equation of time - This means nothing to English speakers. I don't know where you found this!
Time difference = 时差

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