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TOEFL IELTS BNC: 3945 COCA: 3741
beamnoun [ C ]uk/biːm/ us/biːm/

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
moonbeam
sunbeam

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

beamverbuk/biːm/ us/biːm/

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 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
TOEFL IELTS BNC: 3945 COCA: 3741

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