这是时差反应和旅行疲惫的结果.

C. This is the result of <em>jet</em> <em>lag</em> and travel fatigue.

我每次从日本旅行到美国时,都有时差反应.

I get <em>jet</em> <em>lag</em> whenever I travel to Japan from the US.

我每次从日本旅行到美国时，都有时差反应。

I get <em>jet</em> <em>lag</em> whenever I travel to Japan from the US .

时差反应是每个国际旅行者可能遇到的问题。

The problem of <em>Jet</em> <em>lag</em> is one every international traveler comes across at some time.

如果你在飞行途中喝醉了的话,你的时差反应会比你到达后还要恶劣.

If you get drunk during the flight your <em>jet</em> <em>lag</em> will be worse when you arrive.

此外，你的飞行途中跨过的时区越多，时差反应越明显。

And the more time zones you cross during your flight, the more <em>jet</em> <em>lag</em> you're likely to experience.

一些研究表明，部分癌症风险增加、认知能力下降，与慢性时差反应有关联。所谓慢些时差反应是指在极端时间内至少跨越了一周的时区所产生的反应。

And some studies have linked chronic <em>jet</em> <em>lag</em> (jumping time zones on at least a weekly basis) to increased risk of some cancers and quicker cognitive decline.

因此，了解时差反应对于指导教练员和运动员时差反应适应的训练措施和比赛安排有重要意义。

Therefore, it is important for coaches and athletes to know time difference, which can be used to arrange their training or competition scientifically.

因此，了解时差反应对于指导教练员和运动员时差反应适应的训练措施和比赛安排有重要意义。

Therefore, it is important for coaches and athletes to know time difference, which can he used to arrange their training or competition scientifically.

白宫工作人员个个精神焕发，而在这种情况下，当地人却受时差反应之苦。

The White house working personnel were as fresh as paint while the locals in this case were jet- lagged.