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beam是什么意思

beam

美[biːm]  英[biːm]
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
  过去式:beamed  过去分词:beamed  现在分词:beaming  第三人称单数:beams
  近义词:brace,gleam,ray,width,

详细释义

n.(名词)
  1. 梁,横梁,桁条,栋梁
  2. 束,柱
  3. 笑容,喜色
  4. 电波
  5. 经轴,卷轴
  6. 犁柄,锄把
  7. 杠杆,杆
  8. 光线
  9. 船幅
  10. 体幅
  11. 主干
  12. 车辕
v.(动词)
  1. 以梁支撑,上梁于(天花板上)
  2. 发送,发出
  3. 眉开眼笑,堆满笑容,面露喜色,笑容满面,热情地微笑
  4. 辐射
  5. 闪光,发光或发热
  6. 发射(光线、电波)
  7. 用...照射,照耀
  8. 将...对准
  9. 流露
  10. 向...放送
  11. 探测
  12. 播送,向...广播(节目)
  13. 放出束状的光
  14. 定向发出(无线电信号)
  15. 光芒四射

双解释义

n.(名词)
  1. [C]梁,横梁 a large long heavy piece of wood used to support a building or to go from one side of a ship to the other
  2. [C]定向无线电波; 光线; 光束 radio waves sent out along a narrow path in one direction only
  3. [C]笑容,喜色 a bright look or smile
v.(动词)
  1. vi. 发出光与热 (of the sun, etc.) send out light and warming
  2. vt. 播送 broadcast (a message, radio programme etc.) in a particular direction
  3. vt. & vi. 面露喜色 smile happily and cheerfully

英英释义

Noun
  1. a signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather
  2. long thick piece of wood or metal or concrete, etc., used in construction
  3. a group of nearly parallel lines of electromagnetic radiation
  4. a column of light (as from a beacon)
  5. (nautical) breadth amidships
  6. the broad side of a ship;

    "they sighted land on the port beam"

  7. a gymnastic apparatus used by women gymnasts
Verb
  1. smile radiantly; express joy through one's facial expression
  2. emit light; be bright, as of the sun or a light;

    "The sun shone bright that day" "The fire beamed on their faces"

  3. express with a beaming face or smile;

    "he beamed his approval"

  4. broadcast over the airwaves, as in radio or television;

    "We cannot air this X-rated song"

  5. have a complexion with a strong bright color, such as red or pink;

    "Her face glowed when she came out of the sauna"

  6. experience a feeling of well-being or happiness, as from good health or an intense emotion;

    "She was beaming with joy" "Her face radiated with happiness"

组词搭配

动词+~
  1. direct a beam at把光束射向…
  2. fly the beam按照无线电波飞行
  3. shine a beam at对…射出光束
形容词+~
  1. electronic beam电子光束,电子柱
  2. glorious beams灿烂光辉
  3. high beam远光
  4. invisible beams看不见的光束
  5. low beam近光
  6. main beam正梁
名词+~
  1. balance beam天平的横杆
  2. radar beam雷达波束
  3. radio beam无线电波
介词+~
  1. off (the) beam脱离航向,不对头,做错
  2. on the beam沿正确方向
  3. with a beam of delight高兴地,带着微笑
~+介词
  1. beam at使…对准
  2. beam from tower to tower从一塔向另一塔发射
  3. beam in the distance在远处闪耀
  4. beam on one's friend朝着朋友微笑
  5. beam with broad smile笑容可掬
  6. beam with joy笑逐颜开
~+副词
  1. beam brightly发出明亮的光
  2. beam intermittently间歇性地发出热和光
  3. beam steadily稳定地发出无线信号
  4. beam chastely善良地微笑
  5. beam genially亲切地微笑
  6. beam graciously和善地微笑
  7. beam sunnily阳光灿烂般地微笑

例句

用作不及物动词(vi.)
  1. She beamed at me.她对我微笑。
  2. His face(He) is beaming with delight.他高兴得笑容满面。
  3. 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。
用作及物动词(vt.)
  1. 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。
  2. This is a programme beamed at Japan.这是对日本广播的节目。
  3. 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。
  4. The transmitter will be beamed at Africa.这台发射机将用于对非洲广播。
用作名词(n.)
  1. 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。
  2. 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。
  3. A through beam illuminated the dark road ahead.一束透射光照亮了前方黑暗的道路。
  4. 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。
  5. He struck the beam with his head.他的头撞到梁上了。
  6. 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。

词语用法

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。
v.(动词)
    beam的基本意思是日、月、灯塔等发出光束,引申可表示“定向发出(无线信号等)”“播送”,用于比喻可表示“面露喜色”。 beam一般作“面露喜色”解时是不及物动词,可接介词at或on〔upon〕,表示“对…微笑”。 beam作“播送”解时是及物动词,常用于被动结构,接介词to,表示“向…播送…”。
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