beam

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Power, Construction, Other sports, Water, Physics

beam1 /biːm/ ●●○ noun [countable]  1  LIGHT a) LIGHTa line of light shining from the sun, a lamp etc 〔太阳、灯等的〕光束，光线 the beam of a powerful flashlight 手电筒的一道强光 b) TPa line of light, energy etc that you cannot see 束，柱〔指看不见的光、能量等〕 a laser beam 激光束2. WOOD/METALTBCa long heavy piece of wood or metal used in building houses, bridges etc 梁，横梁 →4  See picture of 见图 ROOF 1 →5 see picture at 见图 roof13  SMILESMILEa wide happy smile 喜色，笑容 a beam of delight 喜悦的笑容4  off beam British English informalWRONG/INCORRECT incorrect or mistaken 不正确的，错误的，不对头的 Our guesses were way off beam. 我们的猜测完全错了。5. SPORTDSOa balance beam 〔体操〕平衡木 →4  See picture on 见图 Page A10 Sports centre 体育运动中心6. TTW technical the widest part of a ship from side to side 船宽，船幅 → broad in the beam at broad1(11)

Examples from the Corpus

beam• The following day Paula's body was found hanging from a beam in the garage.• a 55-ton concrete beam• Maggie stumbled across the field with only a narrow beam of light from her flashlight to help her.• Q.. My ceiling has painted beams that intersect at several crossing points.• He thought about hanging himself from the roof beam, but lacked the resolve.• The Commission will, of course, have a spy beam on our conversation.• Using handholds in the wood to steady herself, she crept back along the beam, hauling Simon along with her.• Break the beam and it shoots you.• Her head hit the beam and she slid down and hit her shoulder.• We could see the beams of searchlights scanning the sky.

Related topics: Broadcasting, Power, Communications

beam2 ●○○ verb  1  [intransitive]SMILE to smile very happily 开怀大笑，眉开眼笑 Sherman looked at his sons and beamed proudly. 谢尔曼看着儿子们，自豪地笑着。beam with Connie beamed with pleasure. 康妮喜笑颜开。beam at McLeish beamed at her. 麦克利什笑容满面地看着她。2  [transitive always + adverb/preposition]TCB to send a radio or television signal through the air, especially to somewhere very distant 发送〔无线电或电视信号〕 the first sports broadcast to be beamed across the Atlantic 首次向大西洋彼岸播送的体育节目3  [intransitive, transitive]TPSEND to send out a line of light, heat, energy etc 发（光）；发（热）；发射 The sun beamed through the clouds. 阳光穿透了云层。→ See Verb table

Examples from the Corpus

beam• The fans cheered, and the athletes beamed.• Even Sabina was pleased, and Gabby was beaming.• Her parents stood there beaming as she went up to receive the prize.• After the song was over, Miss Timms beamed at the class.• The water sparkled and the sun beamed brightly.• The images are beamed directly from a satellite.• Once we have landed on Mars we will be able to beam it to the galaxy, he said.• Beam me out of here!• The curtains opened again and Uncle Philip stood next to his doll, beaming proudly.• At the celebration, he beamed proudly.• Ralph nodded, beamed, situated his hat.• Farther down the line, 13-year-old Anne Fischer of Northridge beamed with excitement.• Just a short time before, they had been beaming with optimism.• They mug for cameras, hug their parents, and beam with pride.• Daddy sat in the first pew, beaming with pride.

beam1 nounbeam2 verbChinese  

line Corpus shining light a from of the

beam

I

beam¹ /biːm/ noun [countable]
1.
  a. a line of light shining from the sun, a lamp etc:
    the beam of a powerful flashlight
  b. a line of light, energy etc that you cannot see:
    a laser beam
2. a long heavy piece of wood or metal used in building houses, bridges etc
3. a wide happy smile:
    a beam of delight
4. off beam British English informal incorrect or mistaken:
    Our guesses were way off beam.
5. a balance beam
6. technical the widest part of a ship from side to side
⇨ broad in the beam at broad¹(1)

II

beam² verb
1. [intransitive] to smile very happily:
    Sherman looked at his sons and beamed proudly.
    beam with
    Connie beamed with pleasure.
    beam at
    McLeish beamed at her.
2. [transitive always + adverb/preposition] to send a radio or television signal through the air, especially to somewhere very distant:
    the first sports broadcast to be beamed across the Atlantic
3. [intransitive and transitive] to send out a line of light, heat, energy etc:
    The sun beamed through the clouds.
     

THESAURUS

   ▪ smile to make your mouth curve upwards, in order to be friendly or because you are happy or amused: She smiled when she read his email. | ‘I’m delighted to meet you,' George said, smiling at the girl.
   ▪ grin to give a big smile: The two boys were grinning at each other. | The coach was grinning from ear to ear (=was grinning a lot) when the team scored.
   ▪ beam to give a big happy smile for a long time, because you are very pleased or proud: She beamed with pride as her son collected the award. | The wedding couple were outside beaming at the camera.
   ▪ smirk to smile in an unpleasant way, for example because you are pleased about someone else’s bad luck or because you know something that someone else does not know: The children smirked when the teacher dropped all the books on the floor. | What are you smirking about?
   ▪ simper disapproving written to smile in a silly and annoying way: a group of simpering schoolgirls | I hated the way she simpered every time a man spoke to her.