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TOEFL IELTS BNC: 3945 COCA: 3741

beam

1 beam /ˈbiːm/ noun
plural beams
1 beam
/ˈbiːm/
noun
plural beams
Learner's definition of BEAM
[count]
: a line of light coming from a source (such as the sun or a headlight)(太阳或汽车前灯的)光线,光柱
see also high beam, low beam, sunbeam
: a line of energy, particles, etc., that cannot be seen(肉眼看不到的能量或粒子的)束,柱
: a long and heavy piece of wood or metal that is used as a support in a building or ship(建筑物或船的)梁,横梁
see also balance beam

off beam

British, informal
: incorrect or mistaken不正确的;错误的

on the beam

informal
: exactly correct正确的;准确的

— beamed

adjective
2 beam /ˈbiːm/ verb
beams; beamed; beaming
2 beam
/ˈbiːm/
verb
beams; beamed; beaming
Learner's definition of BEAM
[no object] : to smile happily喜笑颜开;面露喜色
[+ object] : to say (something) while smiling happily笑容满面地说
: to send out beams of light or energy发出(光);放射(能量)
[no object]
[+ object]
[+ object] : to send out (information, television signals, etc.) through wires or the air发送(信息、电视信号等)
[+ object] in stories : to send (someone) to another place instantly by using a special machine(故事中)将某人飞速送到…
TOEFL IELTS BNC: 3945 COCA: 3741

beam

1 of 2

noun

1
a
: a long piece of heavy often squared timber suitable for use in construction
b
weaving : a wood or metal cylinder in a loom on which the warp (see warp entry 1 sense 1a) is wound
c
: the part of a plow to which handles, standard, and coulter are attached
d
: the bar of a balance from which scales hang
e
: one of the principal horizontal supporting members (as of a building or ship)
a steel beam supporting a floor
also : boom, spar
the beam of a crane
f
nautical : the extreme width of a ship at the widest part
g
engines : an oscillating lever on a central axis receiving motion at one end from an engine connecting rod and transmitting it at the other
2
a
: a ray or shaft of light
beams from the searchlights
b
: a collection of nearly parallel rays (such as X-rays) or a stream of particles (such as electrons)
c
: a constant directional radio signal transmitted for the guidance of pilots
also : the course indicated by a radio beam
3
: the main stem of a deer's antler
4
: the width of the buttocks
… immensely broad in the beam Ann Bridge

beam

2 of 2

verb

beamed; beaming; beams

transitive verb

1
: to emit in beams or as a beam (see beam entry 1 sense 2)
The sun beamed its light through the window.
2
: to support with beams (see beam entry 1 sense 1)
The house was beamed with heavy timbers.
3
a
: to transmit especially by satellite : broadcast
… the 90-minute show was beamed to more than 200 countries and territories around the world. TV Guide
b
: to transmit (data) electronically
beaming images of the planet back to Earth
The amount of data beamed over fiber-optic networks is rising exponentially every year, yet only 0.1% of fiber capacity is in use. Leslie Cauley
especially : to transmit (data) wirelessly
Infrared connectivity enables users to work collaboratively on documents without having to log on to the network, and for quickly "beaming" data between different devices (for example, between two notebooks, or between a notebook and a printer, without a need for a cable). Newsweek
c
: to direct to a particular audience
a commercial beamed at middle-class voters

intransitive verb

1
: to send out rays of light
Sunlight beamed through the window.
2
: to smile with joy
The bride was beaming.
Phrases

Synonyms

Example Sentences

Word History

TOEFL IELTS BNC: 3945 COCA: 3741
beam

noun¹

1ray of light光線ADJECTIVE | VERB + BEAM | BEAM + VERB | PREPOSITION ADJECTIVElight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 + BEAMemit, 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 + VERBshine光線照耀illuminate sth, light sth up光線照亮某物PREPOSITIONbeam 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/metalADJECTIVE | BEAM + VERB ADJECTIVEtimber, 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 + VERBsupport sth梁支撑着
beam

verb

ADVERB | PREPOSITION ADVERBbroadly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PREPOSITIONat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。

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