beam

英 [biːm] 美 [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

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

详尽释义

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

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"
   

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。

常见句型

用作名词 (n.)

1. Beams support the roof of a house.
   横梁是用来支撑屋顶的。
2. There I saw the glorious beams of the rising sun.
   在那里我看见了初升太阳的光芒。
3. Beams of light came through the cracks in the wall.
   束束光线透过墙上的裂缝照进屋里。
4. “How nice to see you!”she said, with a beam of welcome.
   “很高兴见到你!”她笑迎着说。

用作动词 (v.)

用作不及物动词

S+～(+A)

1. The moon is beaming overhead.
   月光当头照。
2. The teacher beamed at the students.
   教师向着学生们微笑。
3. The old man sat there beaming on the children.
   老人坐在那儿对孩子们微笑。
4. Her face beamed with joy.
   她面露喜色。

用作及物动词

S+～+ n./pron.

1. He beamed a cheerful welcome as he opened the door.
   他打开门,笑笑,表示欢迎。

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 Kings

• The shafts..also formed the beams of the wagon platform.

  出自： H. Allen

• Everything in splendid confusion was tacked to the walls, to the platform, to the beams in the ceiling.

  出自： M. Laski

• If 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. Bronowski

• The genial sun..Beams forth ungentle influences.

  出自： W. Shenstone

常用短语

用作名词 (n.)

off (the) beam

〈口〉偏离无线电波指示的航道; 不对头 off course; lacking precision

on the beam

正确 correct

用作动词 (v.)

beam to (v.+prep.)

向(某地)播送(广播或电视节目) broadcast (a radio or television message) to (a certain place)
beam sth to sth
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。

词汇搭配

用作名词 (n.)

动词+～

• direct a beam at 把光束射向…
• fly the beam 按照无线电波飞行
• shine a beam at 对…射出光束

形容词+～

• electronic beam 电子光束,电子柱
• glorious beams 灿烂光辉
• high beam 远光
• invisible beams 看不见的光束
• low beam 近光
• main beam 正梁

名词+～

• balance beam 天平的横杆
• radar beam 雷达波束
• radio beam 无线电波

介词+～

• off (the) beam 脱离航向,不对头,做错
• on the beam 沿正确方向
• with a beam of delight 高兴地,带着微笑

～+介词

• beam from 来自…的光线
• beam of light 一道光线,光束
• beam to 射向…的光线

用作动词 (v.)

～+副词

• beam brightly 发出明亮的光
• beam intermittently 间歇性地发出热和光
• beam steadily 稳定地发出无线信号
• beam chastely 善良地微笑
• beam genially 亲切地微笑
• beam graciously 和善地微笑
• beam sunnily 阳光灿烂般地微笑

～+介词

• beam at 使…对准
• beam from tower to tower 从一塔向另一塔发射
• beam in the distance 在远处闪耀
• beam on one's friend 朝着朋友微笑
• beam with broad smile 笑容可掬
• beam with joy 笑逐颜开

词语用法

n. (名词)

1. 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)

1. 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”。
2. 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”。
3. 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…”。

词义辨析

n. (名词)

beam, ray

• 这两个词的共同意思是“光线”。其区别是：
• 1.beam指由日、月、灯或激光器等发出的有一定宽度的光线，即光束、光柱; ray指由发光体发出的成为线形的光。ray在科技术语中又指射线。用于比喻则可指智慧等的闪光。
• 2.在通俗用法中beam是比ray更强的光线; ray是构成beam的许多光线中的一条。例如:
• There I saw the glorious beams of the rising sun.在那里我看见了初升太阳的光芒。
• The searchlight sent its beam into the night sky.探照灯的灯光射入夜空。

v. (动词)

beam, chuckle, giggle, grin, laugh, smile, sneer

• 这组词的共同意思是“笑”。其区别是：
• 1.laugh指一般地“笑”或“出声大笑”;smile指“不出声微笑”;beam指“面带笑容”;chuckle指“吃吃笑”或“暗自发笑”;giggle指“咯咯地笑”“傻笑”;grin指“咧嘴笑”“露齿笑”;sneer指“冷笑”“嘲笑”。例如:
• Father smiled his approval.父亲以微笑表示赞许。
• The boys and girls are jumping and laughing on the playground.孩子们在操场上又跳又笑。
• The girl giggled.那个女孩咯咯地笑。
• She grinned with delight.她高兴地咧开嘴笑。
• He beamed as he opened the door.他开门时以微笑表示欢迎。
• I could hear him chuckling to himself as he read his book.他看书时,我能听见他在轻声发笑。
• Don't sneer at their religion.不要嘲笑他们的宗教。
• 2.smile表示愉快、兴奋、同情、轻蔑、讽刺、无奈等各种心情;beam暗示对他人友好、善良或内心满意;chuckle有得意或领略到其中趣味的含义;giggle是不好意思地笑或由某一趣味而连续“痴笑”;grin多因高兴、满足或轻蔑而笑;而sneer则以表情、声调或语言表示对某人〔事〕的轻蔑与嘲弄。
• 3.smile, laugh是一般用语;beam是正式用语;chuckle多用于书面语中;giggle多用于女人或孩子。

laugh，smile，giggle，grin，beam，sneer

• 这些动词均含“笑”之意。
• laugh最常用词，指因喜悦、愉快或轻视而出声的笑或大笑。
• smile指面露微笑，侧重于无声。
• giggle指发出咯咯的笑声，较多地用于女人或孩子。
• grin指露齿而笑。
• beam书面用词，指人因心情舒畅而发出的笑，即喜形于色地笑。
• sneer指冷笑、嘲笑。

词源解说

• ☆ 直接源自古英语的beam；最初源自西日耳曼语的baumoz，意为活着的树。

近反义词

【近义词】

• brace
• gleam
• ray
• width