出國旅遊或工作，常常會面臨一個潛在的煩惱，那就是時差反應。由於時差的存在，跨時區的飛行會讓我們生物鐘混亂，所以我們不得不花一定的時間去調整自己，小醬今天就來聊一聊“時差”（time difference）。
1時差 time difference
例句
What is the time difference between Beijingand Vancouver?
北京和溫哥華的時差是多少？
2時差反應 jet lag
jet 噴出，噴氣式飛機
lag（兩個事件之間）的時間隔；
“jet lag”的意思為時差反應，時差感。
例句
Jet lag is caused because the body clockdoes not readjust immediately to the time change.
由於人體生物鐘不能迅速對時差作出調整，因而產生了飛機時差反應。
3倒時差
“倒”可以用動詞“get over”、“recover from”、“adjust from”等來表示。
例句
I haven't got over my jet lag yet.
我時差還沒倒過來。
4時區 time zone
例句
I have been a resident of the GMT+ 8 timezone for nearly 40 years.
我在東8時區居住了將近四十年。
Eight Tips to Help You Avoid Jet Lag
8個小建議幫助你避免時差反應
1.Adjust your bedtime by a hour a day,a fewdays before your trip. Change your sleep pattern to match the schedule you willkeep at your destination. This will help you avoid jet lag during your trip.
1.旅途前的幾天，把你的就寢時間調整一小時。根據目的地的作息調整你的睡眠模式。這將會幫助你在旅途中避免時差反應。
2.Resetting your watch at the beginning ofyour flight may help you adjust more quickly to the time zone you will bevisiting.
2.在登機前把手錶的時間調整到新時區的時間可以幫助你更快的適應目的地的時區。
3.Drink plenty of water before, during andafter your flight. The air on planes is extremely dry, and some experts believethat dehydration is a leading cause of jet lag. Virtually everyone agrees thatdehydration can make jet lag worse.
3.飛行前，飛行中，飛行後多喝水。機艙內的空氣極為乾燥，並且很多專家認為脫水是導致時差反應的首要因素。幾乎每個人都同意脫水會使時差反應變得更糟。
4.Avoid drinking alcoholor anything withcaffeine during your flight. (That includes many soft drinks as well as coffeeor tea.) Both alcohol and caffeine increase dehydration.
4.在旅途中避免喝酒精飲品或者避免攝入咖啡因。（包括很多軟飲料以及咖啡和茶）酒精和咖啡因兩者都會加劇脫水。
5.Sleep on the plane if it is nighttime atyour destination.Use earplugs, headphones, eye masks or other sleep aids tohelp block out noise and light, and a travel pillow to make yourself morecomfortable so you can sleep.
5.如果目的地正值夜間，在飛機上睡一覺。用耳塞、耳機、眼罩或其他助眠工具幫助阻隔噪音和光線。準備一個旅行枕頭讓自己更舒服，這樣你就可以睡覺了。
6.Stay awake during your flight if it isdaytime at your destination.Read, talk with other passengers, watch the movie,or walk the aisles to avoid sleeping at the wrong time.
6.如果目的地是白天，那麼保持清醒。看看書，和其他旅客聊聊天，看看電影，在走道上走走以避免在錯誤的時間睡覺。
7.Eat lightly but strategically. Some peopleadhere to various “jet lag diets,”but I’ve never found one that was worth thetrouble it took to follow it. Still, it makes sense to eat foods that supportyour needs and can help you avoid unnecessary “jet lag”conditions.Remember thathigh-protein meals are likely to keep you awake, foods high in carbohydratespromote sleep, and fatty foods may make you feel sluggish.
7.飲食清淡又要合理搭配。有些人堅持各種“時差飲食”，但我從沒發現任何一個可以解決時差問題。儘管如此，吃一些滿足你身體需求的食物是有意義的，並且它也可以幫你避免一些不必要的時差狀況。
8.Relax on the first day at yourdestination. If you have the luxury of arriving at your destination a day ortwo before you have to engage in important activities that may require a lot ofenergy or sharp intellectual focus, why not give yourself a break and let yourbody adjust to the time change a little more gradually?
8. 在到達目的地的第一天放鬆一下。假如你有幸在參加一項費時又費腦的重要活動前一到兩天抵達目的地，為什麼不給自己放個假，好讓你的身體更加漸進的適應變化。
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