jam是什么意思？

jam

英[dʒæm] 美[dʒæm]

• n. 果酱，拥挤，挤满，困境，[无线]干扰；
• vt. 把…挤进，把…塞满，使挤紧，使堵塞，使卡住；
• vi. 挤满，拥挤，堵塞，发生故障；

复数：jams;

第三人称单数：jams;

过去式：jammed;

过去分词：jammed;

现在分词：jamming;

例句

• She spread the toast thinly with raspberry jam. 她在烤面包片上塗了薄薄的一层山莓酱。
• bread thickly spread with plum jam 涂满厚厚梅子酱的面包
• The authorities were unable to jam this wavelength. 当局无法干扰这一波长。
• My speciality is making jam. 我的专长是制果酱。
• She kept gazing at him, while spreading jam on the bread. 她在往面包上涂果酱时，眼睛一直在盯着他。
• They were sent to jam the enemy's radio stations during the war. 战争期间他们被派去干扰敌人的电台。
• Gilbert Arenas finished it with a baseline jam. 吉尔伯特·阿里纳斯以底线灌篮完成了这次进攻。
• He's in an awful jam over his marriage. 他因婚事而陷入极大的困境。
• There was such a jam of people that we couldn't get in. 由于人多拥挤, 我们无法进入。
• The knives and forks were kept in a jam jar. 刀叉原来放在一个果酱罐里。

同义词解析

• 以下这些动词均包含 "压，挤" 的意思
  press：普通用词，指一个物体在另一个物体上加压力。
  jam：专指四面八方都压紧或塞满。
  squeeze：多指从两面或多面施加压力来压紧、压碎或压出水来。
  compress：指把某些东西压在一起或使占有较小空间。
  squash：指某物受力被压偏或压碎。也指塞挤。

词组

• jam on the brakes
  operate the brakes of a vehicle suddenly and forcibly, typically in response to an emergency 紧急刹车
• jam tomorrow
  (Brit.)a pleasant thing which is often promised but rarely materializes (英)允诺而做不到的好事；可望而不可即的事物

英语四级真题

To prevent possible traffic jams in nearby areas.
出自-2013年6月阅读原文
Jane may be caught in a traffic jam.
出自-2011年6月听力原文

英语六级真题

The music service This Is My Jam helps people navigate the tens of millions of tracks now available instantly via Spotify and iTunes.
出自-2013年12月阅读原文
The service was only launched this year, but by the end of September 650,000 jams had been chosen.
出自-2013年12月阅读原文

柯林斯高阶英汉双解学习词典释义

• 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.
  例句
  ...home-made jam. 自制果酱
• VERB
  硬推；硬塞；使劲放
  If you jam something somewhere, you push or put it there roughly.
  例句
  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。 Pete jammed his hands into his pockets. 皮特使劲把手插进口袋里。
• 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.
  例句
  The second time he fired his gun jammed... 他开第二枪时枪卡壳了。 A rope jammed the boat's propeller... 一根绳子卡住了船的螺旋桨。
• VERB
  （车辆）堵住，堵塞（道路）
  If vehicles jam a road, there are so many of them that they cannot move.
  例句
  Hundreds of departing motorists jammed the roads. 数百名打算驾车离开的司机堵住了道路。
• 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.
  例句
  Hundreds of people jammed the boardwalk to watch... 数百人挤在木板人行道上观看。 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。
• 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.
  例句
  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。
• 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.
  例句
  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。 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。
• N-SING
  陷入困境
  If someone is in a jam, they are in a very difficult situation.
  例句
  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。
• 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.
  例句
  He was jamming with his saxophone. 他在即兴吹奏萨克斯管。

英汉词典释义

• n.
  果酱
  The knives and forks were kept in a jam jar. 刀叉原来放在一个果酱罐里。
  拥挤, 堵塞
  There was such a jam of people that we couldn't get in. 由于人多拥挤, 我们无法进入。
  困难的处境; 窘境
  He's in an awful jam over his marriage. 他因婚事而陷入极大的困境。
  <篮球>灌篮
  Gilbert Arenas finished it with a baseline jam. 吉尔伯特·阿里纳斯以底线灌篮完成了这次进攻。
• vt. & vi.
  (使)塞紧, (使)挤满, 使劲（往某处）挤（或压、塞）
  Shoppers jammed the stores at Christmas time. 圣诞节时购物的人挤满了商店。
  发生故障; 夹住, 卡住; （使）卡住, 不能动弹, 不能运转
  The door has jammed. 门卡住了。 The girl jammed her hand when she closed the drawer. 那个女孩在关抽屉时夹了手。
• vt.
  堵塞; 塞入; 塞进; 挤进
  The parade jammed traffic all over the town. 游行队伍阻塞了全市的交通。
  (发射无线电波)干扰(信息, 节目)
  They were sent to jam the enemy's radio stations during the war. 战争期间他们被派去干扰敌人的电台。

英英词典释义

• Noun
  1. preserve of crushed fruit
  2. informal terms for a difficult situation;
  "he got into a terrible fix""he made a muddle of his marriage"
  3. a dense crowd of people
  4. deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
• Verb
  1. press tightly together or cram;
  "The crowd packed the auditorium"
  2. push down forcibly;
  "The driver jammed the brake pedal to the floor"
  3. crush or bruise;
  "jam a toe"
  4. interfere with or prevent the reception of signals;
  "Jam the Voice of America""block the signals emitted by this station"
  5. get stuck and immobilized;
  "the mechanism jammed"
  6. crowd or pack to capacity;
  "the theater was jampacked"
  7. block passage through;
  "obstruct the path"

行业词典

• 体育： 将身体的一部分塞入岩缝；
  旅游： 果酱；