beam的词语用法是：n.(名词)beam通常指“光束”，即从发光体向某方向射出的有一定宽度的光线，尤指定向的无线电波。beam的意思是vi.微笑；发光；vt.播送；发射；用梁支撑；n.桁条；光线；(光线的)束；(横)梁。beam的读音是英[biːm]；美[biːm]。
一、详尽释义点此查看beam的详细内容
二、双解释义
三、词典解释
1.眉开眼笑；笑容满面
If you say that someoneis beaming, you mean that they have a big smile on their face because they are happy, pleased, or proud about something.
e.g. Frances beamed at her friend with undisguised admiration...
弗朗西丝开心地对自己的朋友笑着，毫不掩饰她的羡慕之情。
e.g. 'Welcome back,' she beamed.
“欢迎回来，”她满面笑容地说。
2.（能量、放射线或粒子的）束，柱
Abeam is a line of energy, radiation, or particles sent in a particular direction.
e.g. ...high-energy laser beams.
高能激光束
e.g. ...abeam of neutrons.
一束中子
3.（通过电子设备）发送，发射
If somethingbeams radio signals or television pictures or theyare beamed somewhere, they are sent there by means of electronic equipment.
beam
e.g. The interview was beamed live across America...
这次访谈向全美国现场直播。
e.g. The live satellite broadcast was beamed into homes across America.
此次卫星直播被发送到美国的千家万户。
4.（光）束；（光）线
Abeam of light is a line of light that shines from an object such as a lamp.
5.照耀；照射
If something such as the sun or a lampbeams down, it sends light to a place and shines on it.
e.g. A sharp white spotlight beamed down on a small stage...
聚光灯的强烈白光照在小舞台上。
e.g. All you see of the outside world is the sunlight beaming through the cracks in the roof.
而外面的世界，你所能看见的就只是透过房顶缝隙射进来的阳光。
6.梁；横梁
Abeam is a long thick bar of wood, metal, or concrete, especially one used to support the roof of a building.
beam在线翻译
e.g. The ceilings are supported by oak beams.
房顶用橡木横梁支撑。
7.（体操中的）平衡木
In gymnastics,the beam is a piece of equipment that consists of a narrow wooden bar on which gymnasts balance and perform movements.
8. see also: off-beam
四、例句
She beamed at me.
她对我微笑。
His face(He) is beaming with delight.
他高兴得笑容满面。
From a sky of untarnished blue the sun beamed down upon Beijing.
阳光透过万里碧空照耀着北京城。
Television began beaming the national nominating conventions into the homes of Americans.
电视开始向美国家庭播放总统候选人全国提名大会的情况。
This is a programme beamed at Japan.
这是对日本广播的节目。
I beamed my flashlight into the corner and saw a mouse.
我把手电照向墙角,看见一只老鼠。
The transmitter will be beamed at Africa.
这台发射机将用于对非洲广播。
A rotary table helps to optimize the beam incidence angle.
一张旋转的桌子有助于将光线影响之方式角最佳化。
Hold the flashlight so that the beam shines straight down on a sheet of white paper.
手握电筒让光线直射在一张白纸上。
A through beam illuminated the dark road ahead.
一束透射光照亮了前方黑暗的道路。
A ns pulse beam device is installed at pulse beam current piping.
在脉冲束流管道上安装有强流毫微秒脉冲化聚束装置。
He struck the beam with his head.
他的头撞到梁上了。
If you hit your head on that beam,you'll know it.
头要是撞到梁上去了，就有你的好受。
五、常用短语
They beamed the program to the countries of Central America.
他们向中美洲国家播送这套节目。
The radio station agreed to beam the Minister's speech to the whole Europe.
广播电台同意对全欧广播该大臣的讲话。
The news was beamed to East Africa by satellite.
新闻通过卫星向东非广播。
This programme is beamed to Australia and New Zealand at 12:00 daily.
本节目每天12点向澳大利亚和新西兰播送。
六、经典引文
Let vs..take thence euery man a beame, and let vs make vs a place there where we may dwell.
出自：Bible (AV): 2 KingsThe shafts..also formed the beams of the wagon platform.
出自：H. AllenEverything in splendid confusion was tacked to the walls, to the platform, to the beams in the ceiling.
出自：M. LaskiIf we picture a beam lying across two columns, then..the stresses in the beam increase as we move the columns farther apart.
出自：J. BronowskiThe genial sun..Beams forth ungentle influences.
出自：W. Shenstone七、词源解说
beam的相关近义词
beam的相关临近词
bean、beak、beamy、Beame、beamed、beamer、Beamon、Beamys、Beaman、Beamud、beam on、Beamlet