jam

noun

甜食 sweet food

1. 果酱
   a thick sweet substance made by boiling fruit with sugar, often sold in jars and spread on bread
   1. strawberry jam
      草莓酱
   2. recipes for jams and preserves
      果酱和蜜饯的制作方法
   3. a jam doughnut
      果酱炸面圈

许多人 / 车辆 many people/vehicles

2. 拥挤；堵塞
   a situation in which it is difficult or impossible to move because there are so many people or vehicles in one particular place
   1. The bus was delayed in a five-mile jam.
      公共汽车因长达五英里的交通堵塞而延误。
   2. As fans rushed to leave, jams formed at all the exits.
      因球迷都急于离开，所有出口都给阻塞了。

机器 machine

3. 卡住（因而发生故障）
   a situation in which a machine does not work because sth is stuck in one position
   1. There's a paper jam in the photocopier.
      复印机卡纸了。

verb

用力推 push with force

1. 使劲（往某处）挤（或压、塞）
   to push sth somewhere with a lot of force
   1. He jammed his fingers in his ears.
      他用手指使劲堵住耳朵。
   2. A stool had been jammed against the door.
      门被一个凳子顶住了。

停止移动 / 运转 stop moving/working

2. （使）卡住，不能动弹，不能运转
   to become unable to move or work; to make sth do this
   1. The photocopier keeps jamming up.
      这复印机总是卡纸。
   2. There's a loose part that keeps jamming the mechanism.
      有个零件松了经常卡住机器。
   3. The valve has jammed shut.
      阀门给卡住了打不开。
   4. He jammed the door open with a piece of wood.
      他用一块木头卡住门让它开着。

塞进 put into small space

3. 塞入；塞进；挤进
   to put sb/sth into a small space where there is very little room to move
   1. Six of us were jammed into one small car.
      我们六个人被塞进一辆小汽车里。
   2. We were jammed together like sardines in a can.
      我们像罐头里的沙丁鱼一般紧紧挤在一起。
   3. The cupboards were jammed full of old newspapers.
      橱柜里塞满了旧报纸。
   4. Nearly 1 000 students jammed into the hall.
      近1 000名学生挤到礼堂里。

挤满人 / 物 fill with people/things

4. 挤满；塞紧
   to fill sth with a large number of people or things so that it is unable to function as it should
   1. Viewers jammed the switchboard with complaints.
      打电话投诉的观众使总机应接不暇。

无线电广播 radio broadcast

5. （发射无线电波）干扰
   to send out radio signals to prevent another radio broadcast from being heard

演奏音乐 play music

6. 即兴演奏
   to play music with other musicians in an informal way without preparing or practising first

1. N-MASS 果酱
   Jam is a thick sweet food that is made by cooking fruit with a large amount of sugar, and that is usually spread on bread.
   1. ...home-made jam.
      自制果酱

in AM, usually use 美国英语通常用jelly


2. VERB 硬推；硬塞；使劲放
   If you jam something somewhere, you push or put it there roughly.
   1. He picked his cap up off the ground and jammed it on his head...
      他从地上捡起帽子，猛地扣到头上。
   2. Pete jammed his hands into his pockets.
      皮特使劲把手插进口袋里。
3. V-ERG （机器）卡住；使卡住；（使）不能运转
   If something such as a part of a machine jams, or if something jams it, the part becomes fixed in position and is unable to move freely or work properly.
   1. The second time he fired his gun jammed...
      他开第二枪时枪卡壳了。
   2. A rope jammed the boat's propeller...
      一根绳子卡住了船的螺旋桨。
   3. Cracks appeared in the wall and a door jammed shut...
      墙上出现了裂缝，一扇门卡住打不开了。
   4. The intake valve was jammed open...
      进气阀卡住了，关不上。
   5. Every few minutes the motor cut out as the machinery became jammed.
      机器老是卡住，马达隔不了几分钟就突然熄火。
4. VERB （车辆）堵住，堵塞（道路）
   If vehicles jam a road, there are so many of them that they cannot move.
   1. Hundreds of departing motorists jammed the roads.
      数百名打算驾车离开的司机堵住了道路。
5. VERB （人）塞进，挤进
   If a lot of people jam a place, or jam into a place, they are pressed tightly together so that they can hardly move.
   1. Hundreds of people jammed the boardwalk to watch...
      数百人挤在木板人行道上观看。
   2. They jammed into buses provided by the Red Cross and headed for safety.
      他们挤上红十字会派来的巴士前往安全的地方。
6. VERB 干扰（无线电或电子信号）
   To jam a radio or electronic signal means to interfere with it and prevent it from being received or heard clearly.
   1. They will try to jam the transmissions electronically.
      他们会试图用电子信号对发射进行干扰。
7. VERB 使（电话总机）应接不暇；使（电话线）过于繁忙
   If callers are jamming telephone lines, there are so many callers that the people answering the telephones find it difficult to deal with them all.
   1. Hundreds of callers jammed the BBC switchboard for more than an hour...
      在一个多小时内，成百上千的来电使得英国广播公司的总机应接不暇。
   2. The telephone exchange has been jammed all day with people wanting to buy season tickets.
      很多人想买季票，电话总机一天到晚忙个不停。
8. N-SING 陷入困境
   If someone is in a jam, they are in a very difficult situation.
   1. They were in a real jam, Bob thought glumly.
      他们确实遇上麻烦了，鲍勃闷闷不乐地想。
9. VERB （爵士乐手或摇滚乐手）即兴演奏
   When jazz or rock musicians are jamming, they are informally playing music that has not been written down or planned in advance.
   1. He was jamming with his saxophone.
      他在即兴吹奏萨克斯管。
10. See also: traffic jam

1. We're not just a lot of old biddies going on about jam.
   我们不只是一大群唠唠叨叨地谈论果酱的老太婆。
2. Did she do things like bottling fruit or making jam?
   她干过将水果装瓶或做果酱之类的活计吗？
3. My gran's given us some apple jam.
   我奶奶送给我们一些苹果酱。
4. He picked his cap up off the ground and jammed it on his head
   他从地上捡起帽子，猛地扣到头上。
5. The second time he fired his gun jammed
   他开第二枪时枪卡壳了。
6. A rope jammed the boat's propeller
   一根绳子卡住了船的螺旋桨。
7. Cracks appeared in the wall and a door jammed shut
   墙上出现了裂缝，一扇门卡住打不开了。
8. The intake valve was jammed open
   进气阀卡住了，关不上。
9. Every few minutes the motor cut out as the machinery became jammed.
   机器老是卡住，马达隔不了几分钟就突然熄火。
10. Hundreds of departing motorists jammed the roads.
    数百名打算驾车离开的司机堵住了道路。
11. Hundreds of people jammed the boardwalk to watch
    数百人挤在木板人行道上观看。
12. They jammed into buses provided by the Red Cross and headed for safety.
    他们挤上红十字会派来的巴士前往安全的地方。
13. They will try to jam the transmissions electronically.
    他们会试图用电子信号对发射进行干扰。
14. Hundreds of callers jammed the BBC switchboard for more than an hour
    在一个多小时内，成百上千的来电使得英国广播公司的总机应接不暇。
15. The telephone exchange has been jammed all day with people wanting to buy season tickets.
    很多人想买季票，电话总机一天到晚忙个不停。
16. They were in a real jam, Bob thought glumly.
    他们确实遇上麻烦了，鲍勃闷闷不乐地想。
17. He was jamming with his saxophone.
    他在即兴吹奏萨克斯管。
18. Serve by cutting the scones in half and spreading with jam and lashings of clotted cream.
    吃时将司康饼切半，抹上果酱和大量凝脂奶油。
19. Crabtree& Evelyn has just launched a new jam, Worcesterberry Preserve
    瑰珀翠刚推出一款新果酱——伍斯特浆果果酱。
20. Heat the jam until it liquefies
    把果酱加热至其熔化。
21. Pickled cucumbers, jam, pickled berries, tomatoes; you name it, they've got it
    酸黄瓜、果酱、腌浆果、西红柿，凡是你说得出的，他们都有。
22. Place them in a jam jar, porcelain bowl, or other similar container.
    将它们装入果酱罐、瓷碗或其他类似容器中。
23. Hundreds of jam pots lined her scrubbed shelves.
    她那擦得干干净净的架子上排列着几百个果酱罐。
24. 'Sorry Edward,' I said, splattering the cloth with jam.
    “对不起，爱德华，”我说道，因为我把果酱洒在了桌布上。
25. Wipe the jam off my mouth, will you?
    你帮忙把我嘴上的果酱擦掉，好吗？
26. There is a traffic jam.
    交通阻塞。
27. I'm in a bit of jam, I haven't got enough money to pay for this meal.
    我碰到了一点麻烦，我没有足够的钱来付这餐饭。
28. The traffic jam interrupted the flow of the cars.
    交通阻塞中断了小车的行驶。
29. The bread and butter is thickly spread with strawberry jam.
    在涂有奶油的面包上厚厚地抹上草莓酱。

  block choke clog dam jam【导航词义：挡住】

  block v. 堵塞，阻挡

〔辨析〕指堵住通道，使人或物无法通过，语气较强。

  choke v. 堵塞；（使）窒息

〔辨析〕指将某处塞满东西造成堵塞；也可以指使人呼吸困难。

  clog v. 塞满，阻塞

〔辨析〕指堵塞道路、孔洞等。

  dam v. 阻止，抑制，筑坝拦水

〔辨析〕主要指阻挡住涌流物，如河水、眼泪等，常与副词 up，back 连用。

  jam v. （使）挤满

〔辨析〕指因人、车辆等过多而使某处无法通行。

n.

be in a jam

• 陷入困境
  to be in a difficult situation

jam tomorrow

• 可望而不可即的美好未来；许而不予的好东西
  good things that are promised for the future but never happen
  1. They refused to settle for a promise of jam tomorrow.
     他们并不满足于那些美好未来的空话。

money for jam/old rope

• 容易赚的钱财
  money that is earned very easily, for sth that needs little effort

v.

jam on the brake(s)

jam the brake(s) on

• 猛踩刹车
  to operate the brakes on a vehicle suddenly and with force
  1. The car skidded as he jammed on the brakes.
     他紧急刹车，汽车向侧边打滑。

noun

1. deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems

   Synonym:    jammingelectronic jamming

2. preserve of crushed fruit

3. a dense crowd of people

   Synonym:    crushpress

4. informal terms for a difficult situation
   1. he got into a terrible fix
   2. he made a muddle of his marriage

   Synonym:    fixholemessmuddlepicklekettle of fish

verb

1. interfere with or prevent the reception of signals
   1. Jam the Voice of America
   2. block the signals emitted by this station

   Synonym:    block

2. block passage through
   1. obstruct the path

   Synonym:    obstructobturateimpedeoccludeblockclose up

3. crush or bruise
   1. jam a toe

   Synonym:    crush

4. crowd or pack to capacity
   1. the theater was jampacked

   Synonym:    jampackramchock upcramwad

5. get stuck and immobilized
   1. the mechanism jammed

6. push down forcibly
   1. The driver jammed the brake pedal to the floor

7. press tightly together or cram
   1. The crowd packed the auditorium

   Synonym:    throngmobpackpile