| 单词 | beam |
| 释义 | beam noun¹ 1ray of light光线adjective | verb + beam | beam + verb | preposition adjective➤light光线▸➤bright, intense, powerful明亮的光线；强烈的光线▸➤narrow, thin窄窄的／微弱的光束▸➤flashlight, searchlight, torch (bre) 手电筒光束；探照灯光束➤electron, infrared, laser, x-ray电子束；红外线光束；激光束； x 射线光束▸➤full, high (name) （汽车大灯的）远光◆a car with its headlights on full beam前车灯大开的汽车◆a car with its high beams on开着远光灯的汽车➤dipped, low (name) （汽车大灯的）近光verb + beam➤emit, fire, shoot射出光束▸➤direct, focus, point, send, shine把光线投向；把光线聚焦于；把光线指向◆they focus a high-powered x-ray beam on the affected area.他们用高强度的 x 射线光束照射感染部位。➤deflect, reflect折射／反射光束▸➤catch sb/sth in用光线照着⋯◆he was suddenly caught in the full beam of a searchlight.他突然被探照灯光捕捉到。beam + verb➤shine光线照耀▸➤illuminate sth, light sth up光线照亮某物preposition➤beam from来自⋯的光◆the beam from the lighthouse来自灯塔的光➤beam of⋯光◆a beam of sunlight shone in through the window.一束阳光透过窗子照了进来。beam noun² 2long piece of wood/metal梁adjective | beam + verb adjective➤timber, wooden木梁▸➤oak橡木梁▸➤iron, metal, steel铁梁；金属梁；钢梁▸➤old, original (especially bre) 旧有的梁；原有的梁◆a cottage with original beams and a thatched roof一直没有更换房梁的茅草顶小农舍➤exposed明栿◆an old house with exposed oak beams有橡木明栿的老房子➤horizontal, vertical横梁；柱子beam + verb➤support sth梁支撑着beam verbadverb | preposition adverb➤broadly眉开眼笑◆he beamed broadly at them, clearly very pleased to see them.他对他们眉开眼笑，显然见到他们非常高兴。➤positively赞同地微笑◆she positively beamed with satisfaction.她非常满意地笑了。➤brightly, happily, proudly灿烂地／高兴地／骄傲地微笑preposition➤at冲⋯微笑◆she beamed happily at maxim.她幸福地对马克西姆笑了。➤with因⋯而微笑◆his face beamed with pleasure.他高兴得满面笑容。 beam [countable] a long horizontal piece of wood, metal, etc. used to support weight, especially as part of the roof in a building（尤指建筑物顶部的）梁◆the cottage had low ceilings with exposed dark oak beams.小屋的屋顶很低，深色的橡木梁裸露着。 beam [intransitive, transitive, no passive] to have a big happy smile on your face; to say or express sth with a big happy smile笑容满面；眉开眼笑；满面笑容地说（或表示）◆she was positively beaming with pleasure.她显然喜不自胜。◆'i'd love to come,' she beamed.“我很乐意来。”她满面笑容地说。note 辨析 grin or beam?people always beam with happiness or pleasure; a grin can show happiness or pleasure, but it can also show stupidity, embarrassment or amusement, including slightly unkind amusement at sb else. * beam 总是指高兴或愉快地笑； grin 可指高兴或愉快地笑，但也可指愚蠢、尴尬地笑或觉得好笑而笑，有时略含嘲笑人的意味◆to grin inanely / sheepishly / apologetically / ruefully / wryly / cheekily / wickedly / maliciously咧嘴憨笑；难为情地咧嘴一笑；抱歉地笑；惨然一笑；苦笑；厚颜无耻地龇牙一笑；顽皮地咧嘴一笑；恶意地笑beam¹/bi:m ||; bim/noun[c] 1. a line of light 光线；光束: ◇the beam of a torch 手电筒的光线◇the car's headlights were on full beam (= giving the most light possible and not directed downwards). 汽车车头灯直射前方。◇a laser beam 一束激光 2. a long piece of wood, metal, etc that is used to support weight, for example in the floor or ceiling of a building 梁；桁条 3. a happy smile 粲然一笑 beam²/bi:m ||; bim/verb1. [i] beam (at sb/sth) to smile happily 愉快地微笑: ◇i looked at sam and he beamed back at me. 我望着萨姆，他朝我笑笑。 2. [t] to send out radio or television signals 发出（无线电或电视）信号: ◇the programme was beamed live by satellite to many different countries. 那个节目通过恒星向许多国家作现场转播。 3. [i] to send out light and warmth 发出光和热: ◇the sun beamed down on them. 太阳照射着他们。 beamsee ⇨ light 1 ⇨ smile 1☞ beam¹☞ beam² |
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