词典释义：
a long, sturdy piece of squared timber or metal spanning an opening or part of a building, typically to support the roof or floor above
梁，桁；横梁。
a narrow, raised horizontal piece of squared timber on which a gymnast balances while performing exercises
平衡木。
a horizontal piece of squared timber or metal supporting the deck and joining the sides of a ship
（支撑船甲板的）横梁。
【航海】 （与船的龙骨垂直的）横向
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there was land in sight on the port beam .左舷正横方向可以看到陆地。
a ship's breadth at its widest point
船宽，船幅
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a cutter with a beam of 16 feet .船幅１６英尺的独桅纵帆船。
[in sing.]
〈非正式〉 臀围
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notice how broad in the beam she's getting? 注意到她的臀围有多宽吗？
the main stem of a stag's antler
（牡鹿角的）主干。
the crossbar of a balance
（天平的）杠杆。
an oscillating shaft which transmits the vertical piston movement of a beam engine to the crank or pump
（引擎的）传动杆。
the shank of an anchor
锚柄，锚干。
〈史〉 （马拉犁的）犁柄。
a ray or shaft of light
光线；光柱
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a beam of light flashed in front of her 一柱光在她面前闪过
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the torch beam dimmed perceptibly .火把的光线明显暗下来了。
a directional flow of particles or radiation
（粒子或辐射）束
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beams of electrons .电子束。
a series of radio or radar signals emitted as a navigational guide for ships or aircraft
（导航用无线电或雷达的）射束，波束。
[in sing.]a radiant or good-natured look or smile
笑容；喜色
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a beam of satisfaction .满意的笑容。
[with obj. and adverbial of direction]transmit (a radio signal or broadcast) in a specified direction
定向发出（无线电信号）；（有针对性地）广播
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beaming a distress signal into space 向太空发射求救信号
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[no obj.]
the TV company begins beaming into homes in the new year .新的一年中，电视公司开始向家家户户发送节目信号。
[with obj.](
（科幻小说用语）把（某人）瞬间转移至（或转移出）宇宙飞船。[ ORIGIN : phrase from the American television series <Italic>Star Trek</Italic>.]
[no obj., with adverbial of direction](of a light or light source)shine brightly
（光，光源）照耀
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the sun's rays beamed down .阳光照射下来。
[no obj.]smile radiantly
面露喜色；满脸堆笑
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she beamed with pleasure 她欣喜得满面笑容
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[as adj.
beaming ]a beaming smile .灿烂的笑容。
[with obj.]express (an emotion ) with a radiant smile
微笑着流露出（感情）
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the instructress beamed her approval .女教官微笑着表示赞许。
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a beam in one's eye a fault that is greater in oneself than in the person one is finding fault with （与他人相比）自身特别重大的缺点 -
［ ORIGIN with biblical allusion to Matt． 7 3．］
off （或way off ）beam informal on the wrong track； mistaken 〈非正式〉 不对，错 -
on the beam informal on the right track 〈非正式〉 对，正确 -
on her （或its ）beam-ends （of a ship） heeled over on its side； almost capsized （船）倾侧的；几乎翻船的 -
on one's beam-ends near the end of one's resources； desperate 黔驴技穷的；绝望的 -
put the low beams on N ．Amer ． dip the headlights of one's car 〈北美〉 把车前灯的远光调为近光
"Old English
