jam名詞 n.
1.果醬
The knives and forks were kept in a jam jar.
刀叉原來(lái)放在一個(gè)果醬罐里.
2.擁擠,堵塞
There was such a jam of people that we couldn't get in.
由于人多擁擠,我們無(wú)法進(jìn)入.
3.困難的處境; 窘境
He's in an awful jam over his marriage.
他因婚事而陷入極大的困境.
及物動(dòng)詞 vt.& 不及物動(dòng)詞 vi.
1.(使)塞緊,(使)擠滿,使勁（往某處）擠（或壓、塞）
Shoppers jammed the stores at Christmas time.
圣誕節(jié)時(shí)購(gòu)物的人擠滿了商店.
2.發(fā)生故障; 夾住,卡住; （使）卡住,不能動(dòng)彈,不能運(yùn)轉(zhuǎn)
The door has jammed.
門卡住了.
The girl jammed her hand when she closed the drawer.
那個(gè)女孩在關(guān)抽屜時(shí)夾了手.
3.即興演奏
及物動(dòng)詞 vt.
1.堵塞; 塞入; 塞進(jìn); 擠進(jìn)
The parade jammed traffic all over the town.
游行隊(duì)伍阻塞了全市的交通.
2.(發(fā)射無(wú)線電波)干擾(信息,節(jié)目)
They were sent to jam the enemy's radio stations during the war.
戰(zhàn)爭(zhēng)期間他們被派去干擾敵人的電臺(tái).