| 释义 |
🔑 jamBrE /dʒæm/NAmE /dʒæm/ noun➤sweet food 甜食🔑 [U, C] a thick sweet substance made by boiling fruit with sugar, often sold in jars and spread on bread 果酱◆strawberry jam 草莓酱◆recipes for jams and preserves 果酱和蜜饯的制作方法◆(BrE) a jam doughnut 果酱炸面圈 ➡ compare jelly (3) , marmalade ➤many people/vehicles 人多；车多 [C] a situation in which it is difficult or impossible to move because there are so many people or vehicles in one particular place 拥挤；堵塞◆The bus was delayed in a five-mile jam. 公共汽车因长达五英里的交通堵塞而延误。◆As fans rushed to leave, jams formed at all the exits. 因球迷都急于离开，所有出口都给阻塞了。 ➡ see also traffic jam ➤machine 机器 [C] a situation in which a machine does not work because sth is stuck in one position 卡住（因而发生故障）◆There's a paper jam in the photocopier. 复印机卡纸了。 ●be in a ˈjam(informal) to be in a difficult situation 陷入困境●jam toˈmorrow(BrE, informal) good things that are promised for the future but never happen 可望而不可即的美好未来；许而不予的好东西◆They refused to settle for a promise of jam tomorrow. 他们并不满足于那些美好未来的空话。●money for ˈjam/old ˈrope(BrE, informal) money that is earned very easily, for sth that needs little effort 容易赚的钱财 🔑 jamBrE /dʒæm/NAmE /dʒæm/ verbpresent simple - I / you / we / they jam BrE /dʒæm/ NAmE /dʒæm/present simple - he / she / it jams BrE /dʒæmz/ NAmE /dʒæmz/past simple jammed BrE /dʒæmd/ NAmE /dʒæmd/past participle jammed BrE /dʒæmd/ NAmE /dʒæmd/ -ing form jamming BrE /ˈdʒæmɪŋ/ NAmE /ˈdʒæmɪŋ/➤push with force 用力推 [T] ~ sth + adv./prep. to push sth somewhere with a lot of force 使劲（往某处）挤（或压、塞）◆He jammed his fingers in his ears. 他用手指使劲堵住耳朵。◆A stool had been jammed against the door. 门被一把凳子顶住了。➤stop moving/working 停止移动/运转 [I, T] to become unable to move or work; to make sth do this （使）卡住，不能动弹，不能运转◆~ (up) The photocopier keeps jamming up. 这台复印机总是卡纸。◆~ sth (up) There's a loose part that keeps jamming the mechanism. 有个零件松了经常卡住机器。◆+ adj. The valve has jammed shut. 阀门给卡住了打不开。◆~ sth + adj. He jammed the door open with a piece of wood. 他用一块木头卡住门让它开着。➤put into small space 塞进 [T, I] to put sb/sth into a small space where there is very little room to move 塞入；塞进；挤进 SYN squash, squeeze ◆~ sb/sth + adv./prep. Six of us were jammed into one small car. 我们六个人被塞进一辆小汽车里。◆We were jammed together like sardines in a can. 我们像罐头里的沙丁鱼一般紧紧挤在一起。◆The cupboards were jammed full of old newspapers. 橱柜里塞满了旧报纸。◆+ adv./prep. Nearly 1 000 students jammed into the hall. 近 1 000 名学生挤到礼堂里。 ➡ see also jam-packed ➤fill with people/things 挤满人/物 [T] ~ sth (up) (with sb/sth) to fill sth with a large number of people or things so that it is unable to function as it should 挤满；塞紧 SYN block ◆Viewers jammed the switchboard with complaints. 打电话投诉的观众使总机应接不暇。➤radio broadcast 无线电广播 [T] ~ sth(specialist) to send out radio signals to prevent another radio broadcast from being heard （发射无线电波）干扰➤play music 演奏音乐 [I, T] ~ (sth) to play music with other musicians in an informal way without preparing or practising first 即兴演奏●jam on the brake(s)●jam the brake(s) onto operate the brakes on a vehicle suddenly and with force 猛踩刹车◆The car skidded as he jammed on the brakes. 他紧急刹车时汽车向前滑了一段路。 |