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N-MASS
果醬
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.
自制果醬
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VERB
硬推;硬塞;使勁放
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...
他從地上撿起帽子,猛地扣到頭上。
Pete jammed his hands into his pockets.
皮特使勁把手插進(jìn)口袋里。
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V-ERG
(機(jī)器)卡住;使卡住;(使)不能運(yùn)轉(zhuǎn)
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...
他開(kāi)第二槍時(shí)槍卡殼了。
A rope jammed the boat's propeller...
一根繩子卡住了船的螺旋槳。
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VERB
(車(chē)輛)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.
數(shù)百名打算駕車(chē)離開(kāi)的司機(jī)堵住了道路。
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VERB
(人)塞進(jìn),擠進(jìn)
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...
數(shù)百人擠在木板人行道上觀看。
They jammed into buses provided by the Red Cross and headed for safety.
他們擠上紅十字會(huì)派來(lái)的巴士前往安全的地方。
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VERB
干擾(無(wú)線電或電子信號(hào))
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.
他們會(huì)試圖用電子信號(hào)對(duì)發(fā)射進(jìn)行干擾。
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VERB
使(電話總機(jī))應(yīng)接不暇;使(電話線)過(guò)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...
在一個(gè)多小時(shí)內(nèi),成百上千的來(lái)電使得英國(guó)廣播公司的總機(jī)應(yīng)接不暇。
The telephone exchange has been jammed all day with people wanting to buy season tickets.
很多人想買(mǎi)季票,電話總機(jī)一天到晚忙個(gè)不停。
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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.
他們確實(shí)遇上麻煩了,鮑勃悶悶不樂(lè)地想。
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VERB
(爵士樂(lè)手或搖滾樂(lè)手)即興演奏
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.
他在即興吹奏薩克斯管。