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TOEFL IELTS BNC: 3945 COCA: 3741

beam noun [ C ] LINE

B2 a line of light that shines from a bright object光线;光束;光柱

We could just pick out the trail in the weak beam of the flashlight.我们借着手电筒微弱的光仅能勉强认清路。
The rabbit stopped, mesmerized by the beam of the car's headlights.兔子被汽车前灯射出的光束迷住了眼,停了下来。
See also

a line of radiation or particles flowing in one direction(定向发出的)射束,粒子流

a laser beam激光束
an electron beam电子波

beam noun [ C ] WOOD

a long, thick piece of wood, metal, or concrete, especially used to support weight in a building or other structure(尤指支撑建筑物或其他结构的)梁,桁架,栋梁

The sitting room had exposed wooden beams.客厅顶上有裸露的木梁。
the beam

in the sport of women's gymnastics, a wooden bar on which the competitors balance and perform movements(女子体操运动中的)平衡木

beam verb SMILE

[ I ] to smile with obvious pleasure高兴的微笑,眉开眼笑

She beamed with delight/pleasure at his remarks.听完他的话她高兴得眉开眼笑。
The child beamed at his teacher as he received the award.那个孩子在领奖时对他的老师报以微笑。
[ + speech ] "I'm so pleased to see you," he beamed (= said as he smiled).“见到你很高兴,”他微笑着说。

beam verb SEND OUT

[ I or T ] to send out a beam of light, an electrical or radio signal, etc.辐射;发光;闪光;发射电波;播送

The sun beamed (= shone brightly) down on the boat as it drifted along.阳光照在缓缓漂动的船上。
The concert was beamed (= broadcast) by satellite all over the world.音乐会经卫星播送到世界各地。
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。
TOEFL IELTS BNC: 3945 COCA: 3741
beam verb
smile
beam noun
post
TOEFL IELTS BNC: 3945 COCA: 3741

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