jam
n. 果酱, 拥塞之物, 堵塞, 困境 vt. 挤进, 使塞满, 混杂, 压碎, 使堵塞 vi. 堵塞, 轧住, 拥挤
发音
词形变化
教材释义与例句
使堵塞；挤进，使塞满；混杂；压碎
if a lot of people or vehicles jam a place, they fill it so that it is difficult to move
堵塞；轧住
释义与例句
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1.
A sweet mixture of fruit boiled with sugar and allowed to congeal. Often spread on bread or toast or used in jam tarts
果酱
果占
占
可数 不可数He is allergic to jam.
She loves eating jam for breakfast in hotels.
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2.
A difficult situation.
可数 不可数 -
3.
A difficult situation.
A difficult situation for a pitcher or defending team.
可数 体育 游戏 不可数The pitcher's in a jam now, having walked the bases loaded with the cleanup hitter coming to bat.
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4.
A blockage, congestion, or immobilization.
可数 不可数a jam on the 101 South, blocking the two right lanes [radio report]
a jam of logs in a river
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5.
An informal, impromptu performance or rehearsal.
可数 音乐 不可数 -
6.
A song; a track.
可数 非正式 引申义 不可数pump up the jam
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7.
An informal event where people brainstorm and collaborate on projects.
可数 引申义 不可数We came up with some new ideas at the game jam.
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8.
That which one particularly prefers, desires, enjoys, or cares about.
可数 俚语 不可数Teaching is my jam.
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9.
A forceful dunk.
可数 体育 游戏 不可数 -
10.
A play during which points can be scored.
可数 体育 不可数Toughie scored four points in that jam.
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11.
Any of several manoeuvres requiring wedging of an extremity into a tight space.
可数 体育 不可数I used a whole series of fist and foot jams in that crack.
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12.
The tree Acacia acuminata, with fruity-smelling hard timber.
澳大利亚 可数 不可数 -
13.
Luck.
英国 可数 俚语 不可数He's got more jam than Waitrose.
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14.
Balls, bollocks, courage, machismo.
加拿大 可数 俚语 不可数I don't think he has the jam.
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15.
Sexual relations or the contemplation of them.
可数 俚语 不可数 -
16.
Something enjoyable; a delightful situation or outcome.
可数 俚语 不可数 -
1.
A kind of frock for children.
过时 -
1.
Alternative form of jamb.
商务 采矿
-
1.
To get something stuck, often (though not necessarily) in a confined space.
My foot got jammed in a gap between the rocks.
Her poor little baby toe got jammed in the door.
I jammed the top knuckle of my ring finger.
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2.
To brusquely force something into a space; to cram, to squeeze.
They temporarily stopped the gas tank leak by jamming a piece of taffy into the hole.
The rush-hour train was jammed with commuters.
Jamm’d in at midnight, in cold winter weather,
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3.
To render something unable to move.
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4.
To cause congestion or blockage. Often used with "up".
A single accident can jam the roads for hours.
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5.
To block or confuse a radio or radar signal by transmitting a more-powerful signal on the same frequency.
The government jams foreign propaganda broadcasts.
The airstrike suffered minimal casualties because electronic-warfare aircraft were jamming the enemy air-defense radars.
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6.
To throw a pitch at or near the batter's hands.
体育 游戏Jones was jammed by the pitch.
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7.
To dunk.
体育 游戏 -
8.
To play music (especially improvisation as a group, or an informal unrehearsed session).
音乐 -
9.
To injure a finger or toe by sudden compression of the digit's tip.
When he tripped on the step he jammed his toe.
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10.
To attempt to score points.
体育Toughie jammed four times in the second period.
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11.
To bring (a vessel) so close to the wind that half her upper sails are laid aback.
及物 航海 交通 -
12.
To give up on a date or some other joint endeavour; to stand up, chicken out, jam out.
加拿大 非正式 -
13.
To be of high quality (especially for music).
非正式I love this song! This song jams!
词汇关系
相关短语
词源
First attested in the early 18th c. as a verb meaning “to press, be pressed, be wedged in”. Compare dialectal jammock (“to press, squeeze, crush into a soft mass, chew food"; also "a soft, pulpy substance”). Perhaps from Middle English chammen, champen ("to bite upon something, gnash the teeth"; whence modern champ, chomp), of uncertain origin; probably originally onomatopoeic. The "performance" sense is first attested with regards to jazz in 1929, and its origin, though uncertain, is likely metaphorical, "something sweet made by the combination of many things", with influence from jamboree.
来源：wiktionary