| 单词 | beam |
| 释义 | nounverbbeamBrE /biːm/ NAmE /biːm/ noun a line of light , electric waves or particles 光线；（电波的）波束；（粒子的）束◆ narrow beams of light /sunlight 一丝丝的光线/阳光◆ the beam of a torch /flashlight 手电筒光柱◆ a laser /electron beam 激光束；电子束◆ (BrE ) The car's headlights were on full beam (= shining as brightly as possible and not directed downwards ). 那辆汽车大开着前灯。◆ (NAmE ) a car with its high beams on 前灯大开着的汽车a long piece of wood , metal , etc . used to support weight , especially as part of the roof in a building 梁◆ The cottage had exposed oak beams . 小屋的橡木梁裸露着。(especiallyBrE ) (NAmE usuallyˈbalance beam ) a wooden bar that is used in the sport of gymnasticsfor people to move and balance on 平衡木a wide and happy smile 笑容；眉开眼笑◆ a beam of satisfaction 满意的笑容beam , expression , frown , grimace , grin , leer , scowl , smirk , sneer , wince ● off ˈbeam (informal ) not correct ; wrong 不正确；错误◆ Your calculation is way off beam . 你的计算完全错误。beamBrE /biːm/ NAmE /biːm/ verb present simple - I / you / we / they beam BrE /biːm/ NAmE /biːm/ present simple - he / she / it beams BrE /biːmz/ NAmE /biːmz/ past simple beamed BrE /biːmd/ NAmE /biːmd/ past participle beamed BrE /biːmd/ NAmE /biːmd/ -ing form beaming BrE /ˈbiːmɪŋ/ NAmE /ˈbiːmɪŋ/ [I , T , no passive ]to have a big happy smile on your face 笑容满面；眉开眼笑◆ ~ (at sb )He beamed at the journalists . 他笑容满面地面对记者。◆ ~ (with sth )She was positively beaming with pleasure . 她的确喜不自胜。◆ ~sth (at sb )The barman beamed a warm smile at her . 酒吧侍者对她热情地微笑。◆ 'I'd love to come ,' she beamed (= said with a large smile ). “我很乐意来。” 她满面笑容地说。[T ]+ adv ./prep .to send radio or television signals over long distances using electronic equipment 发射（电波）；播送◆ Live pictures of the ceremony were beamed around the world . 典礼的实况经电视直播传到世界各地。[I ]+ adv ./prep .to produce a stream of light and /or heat 照射；发光；发热◆ The morning sun beamed down on us . 早上的太阳照射着我们。◆ Light beamed through a hole in the curtain . 光线透过窗帘上的一个孔照射进来。 ● smile /grin /beam from ear to ˈear to be smiling , etc . a lot because you are very pleased about sth 眉开眼笑；笑得合不拢嘴 ● ˌbeam sb ˈdown /ˈup (in science fiction stories) to transport sb to or from a spaceshipusing special electronic equipment 发送某人下来/上去（用特殊的电子设备将人运送至太空飞船或从太空飞船运送至其他地方）ORIGINFrom the American television series Star Trek .源自美国电视剧《星际迷航》。 |
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