during

prep.

1. 在…期间
   all through a period of time
   1. during the 1990s
      在20世纪90年代
   2. There are extra flights to Colorado during the winter.
      冬季有飞往科罗拉多的增开航班。
   3. Please remain seated during the performance.
      演出期间请不要站起来。
2. 在…期间的某个时候
   at some point in a period of time
   1. He was taken to the hospital during the night.
      他在夜间被送到医院。
   2. I only saw her once during my stay in Rome.
      我在罗马逗留期间只见过她一次。

1. PREP 在…期间(持续地)
   If something happens during a period of time or an event, it happens continuously, or happens several times between the beginning and end of that period or event.
   1. Sandstorms are common during the Saudi Arabian winter...
      在沙特阿拉伯,冬季里沙尘暴很常见。
   2. Plants need to be looked after and protected during bad weather.
      天气恶劣时要留意照看好植物。
2. PREP 在…期间(逐渐地)
   If something develops during a period of time, it develops gradually from the beginning to the end of that period.
   1. Wages have fallen by more than twenty percent during the past two months...
      在过去的两个月里，薪资降幅超过 20%。
   2. American business in Britain during the 1950s grew much faster than British business.
      20 世纪 50 年代，美国企业在英国的发展速度要比英国本土企业快得多。
3. PREP 在…期间的某一时间
   An event that happens during a period of time happens at some point or moment in that period.
   1. The attack is believed to have been carried out during the early morning hours...
      据信进攻是在清晨时发起的。
   2. During his visit, the Pope will also bless the new hospital.
      在访问期间,教皇还将为新医院祈福。

You do not use during to say how long something lasts. You use for. You do not say, for example, 'I went to Wales during two weeks'. You say 'I went to Wales for two weeks'.
表示某事持续多久时不用 during，而用 for。例如, 不能说: I went to Wales during two weeks, 而要说: I went to Wales for two weeks.（我去威尔士呆了两周）。

1. He brought up a subject rarely raised during the course of this campaign
   他提出了一个在这次运动中很少被提及的话题。
2. During dinner the confusion was cleared up: they had mistaken me for Kenny.
   吃晚饭时疑惑消除了：原来他们把我当成肯尼了。
3. Sandstorms are common during the Saudi Arabian winter
   在沙特阿拉伯，冬季里沙尘暴很常见。
4. Plants need to be looked after and protected during bad weather.
   天气恶劣时要留意照看好植物。
5. The attack is believed to have been carried out during the early morning hours
   据信进攻是在清晨时发起的。
6. During his visit, the Pope will also bless the new hospital.
   在访问期间，教皇还将为新医院祈福。
7. An elevated platform on the stage collapsed during rehearsals.
   在排练过程中舞台上垫高的一个平台塌了。
8. Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.
   在前寒武纪的最后1亿年中，两个主要的冰川时期对两个地区都产生了影响。
9. I know that you led a rifle platoon during the Second World War
   我知道你在二战期间率领一个步枪排。
10. He bought two lots of 1,000 shares in the company during August and September
    他在8月和9月买进了两批这家公司的股票，每次1,000股。
11. This is seen as a reward for the army's loyalty during a barracks revolt earlier this month.
    此举被视为是对在本月初一场军营叛变中表现忠心不贰的军队的奖赏。
12. The window had been replaced last week during routine maintenance.
    上周例行维修的时候换了窗户。
13. She produced the knife during arguments with her friends.
    在和朋友争吵的时候，她掏出了刀。
14. During 1984, Remington spent a lot of money on advertising and promotion
    1984年，雷明顿公司在广告和促销方面花费了大量的资金。
15. Although this part of Normandy was badly bombed during the war it has been completely reconstructed.
    尽管诺曼底的这个区域在战争中遭受了狂轰滥炸，但之后它已经被彻底重建了。
16. He received the original ban last week after stamping on the referee's foot during the supercup final.
    他在超级杯决赛中踩踏裁判的脚后，于上周收到了书面的禁赛通知。
17. He strained his back during a practice session.
    他在一次锻炼中扭伤了背部。
18. During the last recession, migration to the sunbelt accelerated.
    在上个经济萧条期，人们向美国南部阳光地带移民的速度加快了。
19. The food in the freezer had thawed during a power cut.
    冰箱里的食物在停电期间化开了。
20. Two friends and I drove to Florida during college spring break
    我和两个朋友在大学春假期间开车去了佛罗里达。
21. During their talks, the two presidents discussed the transit of goods between the two countries.
    会谈中，两位总统讨论了两国间货物运输的问题。
22. During his summer vacation he visited Russia
    暑假期间他去俄罗斯了。
23. His family suffered all kinds of hardships during the war.
    他家在战争期间受尽了苦难。
24. During his serious illness he lost over ten jin.
    他害了一场大病，体重掉了十多斤。
25. The whole house shook during the earthquake.
    地震时整个房子都摇动了。
26. It rained during the harvest.
    收获期间下雨了。
27. The flood victims have received both sympathy and assistance from the international community during the flood season.
    在汛期期间，受灾人民受到了国际社会的同情和支持。
28. Religion had an intimate association with alchemy during the Middle Ages.
    在中世纪，宗教和炼金术密切相联。