飞行时差综合征;时差反应 the feeling of being tired and slightly confused after a long plane journey, especially when there is a big difference in the time at the place you leave and that at the place you arrive in
飞行时差综合征;时差反应 If you are suffering from jet lag, you feel tired and slightly confused after a long journey by aeroplane, especially after travelling between places that have a time difference of several hours.