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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
  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
  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
    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

phrasal verbs


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