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TOEFL IELTS BNC: 3945 COCA: 3741
beam
★
★
noun [C] /biːm/
singularbeam
pluralbeams
  1. 1
    a long thick piece of wood, metal, or concrete that supports a roof 梁；横梁

    a cottage with low oak beams 有低矮橡木横梁的农舍

     Synonyms and related words
    Frames and supports for structures: frame, foundation, support...
  2. 2
    physics a line of light or other form of energy 光线；（能量）束

    the beam of the car headlights 汽车前灯的光束

    a laser beam 激光束

     Synonyms and related words
    General words for light and brightness: light, flash, gleam...
  3. 3
    a wide happy smile 灿烂的笑容；喜色

    A beam of happiness spread over her face. 她脸上露出幸福的笑容。

     Synonyms and related words
    Smiles: smile, grin, beam...
  4. 4
    British a wooden bar used for physical exercise in a gym （体操的）平衡木
     Synonyms and related words
    Equipment used at the gym and for exercises: assault course, barbell, beam...
  5. 5
    the widest part of a ship from one side to the other 船宽
     Synonyms and related words
    Parts of boats and ships: aft, amidships, bay...

phrases

beam
★
verb /biːm/
present tense
I/you/we/theybeam
he/she/itbeams
present participlebeaming
past tensebeamed
past participlebeamed
  1. 1
    [I] if you beam, you smile in a very obvious way 眉开眼笑；面露喜色

    He beamed with satisfaction. 他满意地笑了。

     Synonyms and related words
    To smile: smile, grin, beam...
  2. 2
    [T] to send radio signals or television pictures through the air using electronic equipment 发送（广播信号或电视图像）
    beam to/across/over etc :

    Pictures of the famine were beamed to television audiences all over the world. 关于饥荒的画面被传送给全世界的电视观众。

     Synonyms and related words
    To broadcast or be broadcast on television or radio: broadcast, report, give out...
    1. a.
      [I/T] to send out light, heat, or energy 发射，发出（光、热或能量）

      The sun beamed down brightly from a perfect blue sky. 阳光从湛蓝的天空中照耀下来。

       Synonyms and related words
      To shine, glow or give off light: shine, glow, flash...
       Synonyms and related words
      To send something out into the air or environment: give off, send out, emit...

phrasal verbs

TOEFL IELTS BNC: 3945 COCA: 3741
beam

noun¹

 1ray of light光線ADJECTIVE | VERB + BEAM | BEAM + VERB | PREPOSITION ADJECTIVE➤light光線▸➤bright, intense, powerful明亮的光線；強烈的光線▸➤narrow, thin窄窄的／微弱的光束▸➤flashlight, searchlight, torch (BrE) 手電筒光束；探照燈光束➤electron, infrared, laser, X-ray電子束；紅外線光束；激光束； X 射線光束▸➤full, high (NAmE) （汽車大燈的）遠光◇a car with its headlights on full beam前車燈大開的汽車◇a car with its high beams on開着遠光燈的汽車➤dipped, low (NAmE) （汽車大燈的）近光VERB + BEAM➤emit, fire, shoot射出光束▸➤direct, focus, point, send, shine把光線投向；把光線聚焦於；把光線指向◇They focus a high-powered X-ray beam on the affected area.他們用高強度的 X 射線光束照射感染部位。➤deflect, reflect折射／反射光束▸➤catch sb/sth in用光線照着⋯◇He was suddenly caught in the full beam of a searchlight.他突然被探照燈光捕捉到。BEAM + VERB➤shine光線照耀▸➤illuminate sth, light sth up光線照亮某物PREPOSITION➤beam from來自⋯的光◇the beam from the lighthouse來自燈塔的光➤beam of⋯光◇A beam of sunlight shone in through the window.一束陽光透過窗子照了進來。
beam

noun²

 2long piece of wood/metal梁ADJECTIVE | BEAM + VERB ADJECTIVE➤timber, wooden木梁▸➤oak橡木梁▸➤iron, metal, steel鐵梁；金屬梁；鋼梁▸➤old, original (especially BrE) 舊有的梁；原有的梁◇a cottage with original beams and a thatched roof一直沒有更換房梁的茅草頂小農舍➤exposed明栿◇an old house with exposed oak beams有橡木明栿的老房子➤horizontal, vertical橫梁；柱子BEAM + VERB➤support sth梁支撑着
beam

verb

ADVERB | PREPOSITION ADVERB➤broadly眉開眼笑◇He beamed broadly at them, clearly very pleased to see them.他對他們眉開眼笑，顯然見到他們非常高興。➤positively贊同地微笑◇She positively beamed with satisfaction.她非常滿意地笑了。➤brightly, happily, proudly燦爛地／高興地／驕傲地微笑PREPOSITION➤at衝⋯微笑◇She beamed happily at Maxim.她幸福地對馬克西姆笑了。➤with因⋯而微笑◇His face beamed with pleasure.他高興得滿面笑容。
TOEFL IELTS BNC: 3945 COCA: 3741
beam verb
⇨ smilebeam noun
⇨ post

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