jam
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
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.
...home-made jam.
自制果酱
If you jam something somewhere, you push or put it there roughly.
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。
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.
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。
If vehicles jam a road, there are so many of them that they cannot move.
Hundreds of departing motorists jammed the roads.
数百名打算驾车离开的司机堵住了道路。
If a lot of people jam a place, or jam into a place, they are pressed tightly together so that they can hardly move.
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。
To jam a radio or electronic signal means to interfere with it and prevent it from being received or heard clearly.
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。
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.
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。
If someone is in a jam, they are in a very difficult situation.
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。
When jazz or rock musicians are jamming, they are informally playing music that has not been written down or planned in advance.
He was jamming with his saxophone.
他在即兴吹奏萨克斯管。
1. preserve of crushed fruit
2. informal terms for a difficult situation;
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
1. press tightly together or cram;
2. push down forcibly;
3. crush or bruise;
4. interfere with or prevent the reception of signals;
5. get stuck and immobilized;
6. crowd or pack to capacity;
7. block passage through;
press, jam, squeeze, compress, squash
这些动词均含"压,挤"之意。
jam on the brakes
紧急刹车
jam tomorrow
(英)允诺而做不到的好事;可望而不可即的事物
You'll have to catch the next bus, we can't possibly jam any more passengers in.
你得坐下辆公共汽车, 这辆车无论如何也挤不下了.
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.
The knives and forks were kept in a jam jar.
刀叉原来放在一个果酱罐里.
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.
The little boy smeared jam on the chair.
小男孩往椅子上抹果酱.