beam是什么意思

短语搭配

(1)off beam不正确, 错误

(2)beam compass长臂圆规

(3)electron beam电子束；电子注

(4)box beam箱形梁

(5)main beam主梁；大梁；远光

(6)beam splitter分束镜；分裂器

(7)on the beam对；正确

(8)high beam最大亮度位置

(9)tie beam系梁；水平拉杆

(10)tractor beam牵引束

(11)full beam最大亮度位置

(12)collar beam系梁

(13)deck beam甲板梁

(14)beam sea横浪；横向浪

(15)beam engine横梁发动机

(16)way off beam不对；错

(17)flitch beam组合板梁

(18)broad in the beam臀部肥大

(19)hammer beam悬臂托梁

(20)a beam in one's eye自身特别重大的缺点

(21)laser beam激光光束；激光束；激光波束

(22)cantilever beam悬臂梁

(23)steel beam钢梁

(24)light beam光束；光柱；线偏振光束

(25)beam to光束到；光束至；向…播送

(26)cross beam横梁

(27)beam model梁模型；光束模型；束模型

(28)low beam（车头的）短焦距光

(29)beam expander扩束器；扩束系统

(30)radar beam雷达波束

(31)beam waist束腰；光束束腰；束腰半径

(32)beam profile光束轮廓；束流剖面；束剖面图

(33)beam angle光束角；波束角；束角

(34)scanning beam扫描光束；扫描束；光束扫描

(35)ground beam地梁；地基梁

(36)infrared beam红外光束

(37)floor beam楼面梁；楼层梁；楼板梁

(38)beam depth梁高

(39)wooden beam木梁

(40)beam up梁上；传送

(41)spreader beam分布梁；散布梁

(42)metal beam金属顶梁

双语例句

(1)The beam reaches here by refraction.

光线是通过折射到达这里的。

(2)Mary shouted, "We don't have much time, beam me up! "

玛丽大声喊：“我们的时间不多了，快把我送回去！”

(3)Jack beamed when he heard the good news.

杰克听到这个好消息后眉开眼笑。

(4)The sitting room had exposed wooden beams.

客厅顶上有裸露的木梁

(5)Be careful you don't knock your head on this low beam.

小心，别把头撞在这矮梁上。

(6)Be careful not to bump your head on the beam when you stand up.

当心站起来时头别撞了横梁。

(7)A burst of sunshine sent a beam of amber light through the window.

一道阳光透过窗户射进了一束琥珀色的光。

(8)The electron microscope uses a beam of electrons to produce images at high magnifications.

电子显微镜利用一束电子产生高倍放大的影像。

(9)We have a beam of electrons.

我们有一个电子束。

同义词

n. 横梁；光线；电波；船宽；秤杆

vt. 发送；以梁支撑；用…照射；流露

vi. 照射；堆满笑容

同根词

词根 beam

(1)beaming adj. 喜气洋洋的；愉快的；光亮的；耀眼的v. 照耀（beam的ing形式）

(2)beamy adj. 光亮的；船身宽大的；象梁一样的

单词辨析

笑

(1)laugh 最常用词，指因喜悦、愉快或轻视而出声的笑或大笑。

(2)sneer 指冷笑、嘲笑。

(3)siggle 指发出咯咯的笑声，较多地用于女人或孩子。

(4)beam 书面用词，指人因心情舒畅而发出的笑，即喜形于色地笑。

(5)smile 指面露微笑，侧重于无声。

(6)grin 指露齿而笑。

释义

n.

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。

Nautical the direction of an object visible from the port or starboard side of a ship when it is perpendicular to the centre line of the vessel

【航海】 （与船的龙骨垂直的）横向

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

a cutter with a beam of 16 feet.

船幅１６英尺的独桅纵帆船。

[in sing.]informal the width of a person's hips

〈非正式〉 　臀围

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。

historical the main timber of a horse-drawn plough

〈史〉 　（马拉犁的）犁柄。

a ray or shaft of light

光线；光柱

a beam of light flashed in front of her

一柱光在她面前闪过

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

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

a beam of satisfaction.

满意的笑容。

v.

[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

beaming a distress signal into space

向太空发射求救信号

[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.](beam someone up/down)(in science fiction)transport someone instantaneously to another place, especially to or from a spaceship

（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 Star Trek.]

[no obj., with adverbial of direction](of a light or light source)shine brightly

（光，光源）照耀

the sun's rays beamed down.

阳光照射下来。

[no obj.]smile radiantly

面露喜色；满脸堆笑

she beamed with pleasure

她欣喜得满面笑容

[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）

the instructress beamed her approval.

女教官微笑着表示赞许。

短语

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

类似拼写词

beam n. 梁；桁；横梁；光线；光柱；笑容；喜色；平衡木；船宽；船幅

team n. 队；组；班；联畜；一组牲口

bear v. 携带；拿；支持；支撑；忍受；生育；拐弯；不能忍受；表现；经得起

beat v. 猛抽；狠揍；战胜；击败；领先；抢先；搏动；跳动；扑动；搅拌；混合；离开；走开；以之字形航线抢风航行

词源

"Old English bēam ‘tree, beam'， of West Germanic origin； related to Dutch boom and German Baum．"

考纲分布

近6年出现1次

重要程度: 3星

100%; v 发射; 播送

考纲释义

( 1)v. 发射; 播送

真题例句：

Share A Story Live — our exciting digital events programme beaming authors (作家) straight into your school.

分享故事直播——我们激动人心的数字活动项目，让作者直接进入你的校园。[2021年 南京市卷 阅读理解]

考纲分布

近12年出现6次

重要程度: 4星

83%; n 梁; 横梁

17%; v/n 照耀; 光束

考纲释义

( 1)n. 梁; 横梁

真题例句：

Then a rail-thin teenager, in a baggy white T-shirt, skidded up to the beam.

然后一个瘦骨嶙峋的少年，穿着一件宽大的白色T恤，滑到横梁前。[2021年 全国甲卷 阅读理解]

Weaving among the kids who rushed by on their boards, I found my way to the beam.

我在跳滑板的孩子们中间穿梭，找到了通往横梁的路。[2021年 全国甲卷 阅读理解]

Once, when trying a certain trick on the beam, I fell onto the stones.

有一次，我在横梁上玩游戏时，摔到了石头上。[2021年 全国甲卷 阅读理解]

( 2)v/n. 照耀; 光束

英文释义：(of a light or light source) shine brightly

真题例句：

They reflect a concentrated beam (束) of light onto the town's central square, creating an area of sunlight roughly 600 square meters.

它们将一束聚光反射到城镇中心广场上，形成了约600平方米的阳光区域。[2019年 全国卷3 完形填空]

考纲分布

近9年出现3次

重要程度: 4星

100%; n/v 横梁; 以横梁支撑

0%; v/n 光线传播; 照耀; 光束

考纲释义

( 1)n/v. 横梁; 以横梁支撑

真题例句：

A beam about ten feet long collapsed to the ground.

一根大约十英尺长的梁倒在地上。[2018年 CET4 听力]

He was trapped under a beam about ten feet below the surface for nearly an hour and a half.

他被困在离水面约10英尺的一根横梁下近一个半小时。[2018年 CET4 听力]

( 2)v/n. 光线传播; 照耀; 光束

英文释义：(of a light or light source) shine brightly

考纲分布

近9年出现12次

重要程度: 5星

58%; n/v 横梁; 以横梁支撑

42%; v/n 光线传播; 照耀; 光束

考纲释义

( 1)n/v. 横梁; 以横梁支撑

真题例句：

The roof of Notre Dame Cathedral was built with large numbers of densely laid-out wood beams.

巴黎圣母院的屋顶是用大量密集布置的木梁建造的。[2021年 CET6 阅读理解]

These beams, known as la forêt (the forest) because of their density, formed the cross-shaped roof.

这些横梁形成了十字形屋顶，因其密度而被称为la fortêt（森林）。[2021年 CET6 阅读理解]

The fire spread through the cathedral's roof, made up of hundreds of oak beams, some dating back to the 13th century.

大火蔓延到大教堂的屋顶，屋顶由数百根橡木横梁组成，其中一些可以追溯到13世纪。[2021年 CET6 阅读理解]

( 2)v/n. 光线传播; 照耀; 光束

英文释义：(of a light or light source) shine brightly

考纲分布

近16年出现0次

重要程度: 2星

0%; n (光线的)束; 柱

0%; cn (横)梁; 桁条

0%; v 微笑

0%; v 发光; 照射

考纲释义

( 1)n. (光线的)束; 柱

( 2)cn. (横)梁; 桁条

( 3)v. 微笑

( 4)v. 发光; 照射

单词辨析

beam 意为“光柱、光束”。

glare 意为“耀眼、刺目的光、怒目而视”，指使眼睛感觉不舒服的强烈光线。

flare 指“闪光、短暂而摇曳的光”。

glimmer 意为“闪烁的微光、柔和的光”。

(1)I mean, synchronized swimming. I mean, the balance beam. Help me. Football. Thank you.

我是说，水上芭蕾（还是女子运动项目）我的意思是，平衡木（仍旧是女子运动项目）帮帮忙.橄榄球! 谢了。《Friends Season 10》《老友记 第十季》

(2)When a beam of light was moving in the same direction as the Earth, they expected the light to travel faster.

他们以为， 当一束光和地球往同一个方向移动时,光的速度会更快。《TED-Ed》《TED教育》

(3)Jack still sees the beam dropping down and Jill still sees the light beam travel a longer distance, except this time Jack and Jill cannot disagree on the speed because the speed of light remains the same no matter what.

杰克依然会看到光束反弹吉尔还是会看到该光束移动得更远，例外的是，这次杰克和吉尔却会对光的速度有分歧。这是因为光的速度无论如何还是保留不变。《TED-Ed》《TED教育》

(4)Why isn't that laser beam cutting through the paint? It's the Miracle Wax! It certainly is a miracle.

激光束为什么切不断烤漆？是奇迹蜡的关系。那绝对是一项奇迹。《Friends Season 2》《老友记 第二季》

(5)But what if Jack's bouncing ball is replaced with two mirrors which bounce a beam of light between them?

但是，如果我们把杰克的球用两面镜子作代替而在镜子之间有一束光来回反弹。《TED-Ed》《TED教育》

(6)One to beam aboard? Oh, my God, you're back. Oh, look at you. You, you look like you grew.

传送一人上舰[星际迷航]。我的天，你回来了，瞧你，你看起来好像长高了。《The Big Bang Theory Season 6》《生活大爆炸 第六季》

(7)Your first adventure is to walk on this beam across the river. That's easy. But it's night time and it's windy.

你们的第一次冒险是在平衡木上行走然后过河，这太简单了，啊，但是这是在晚上，而且还有风。《Peppa Pig Season 3》《小猪佩奇 第三季》

(8)A painting is more than the sum of its parts.A cow by itself is just a cow.A meadow by itself is just grass,flowers.And the sun peeking through the trees is just a beam of light.But you put them all together and it can be magic.

 一幅画可不仅仅是它各个部分的简单组合。一头牛只是一头牛。草地只是一片长满青草和花朵的土地。穿过树枝的阳光，也不过是一束光线而已。但是如果将它们组合在一起，却美得不可思议。《怦然心动》