beam

英 [biːm] 美[bim]

n. 横梁；光线；电波；船宽；[计量] 秤杆
vt. 发送；以梁支撑；用…照射；流露
vi. 照射；堆满笑容
n. (Beam)人名；(阿拉伯)贝亚姆；(英)比姆

近义词 smile shine glow

CET6 TOEFL 考研 GRE IELTS TEM4 CET4 中低频词核心词汇

英英释义

1. a signal transmitted along a narrow path; guides pilots in darkness or bad weather

2. long thick piece of wood or metal or concrete, etc., used in construction

3. a column of light (as from a beacon)

4. a group of nearly parallel lines of electromagnetic radiation

5. (nautical) breadth amidships

6. a gymnastic apparatus used by women gymnasts

同义词辨析

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。

词组搭配

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

考试真题

He was trapped under a beam about 10 feet below the surface for nearly an hour and a half.

She'd look at me with those sad brown eyes of hers, beam her need, and then wait, trusting I would understand — which, strangely, I almost always did.

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

实用场景例句

The barman beamed a warm smile at her.: 酒吧侍者对她热情地微笑。

‘I'd love to come, ’ she beamed (= said with a large smile) .: “我很乐意来。”她满面笑容地说。

Live pictures of the ceremony were beamed around the world.: 典礼经实况转播传到世界各地。

The morning sun beamed down on us.: 早上的太阳照射着我们。

Light beamed through a hole in the curtain.: 光线透过窗帘上的一个孔照射进来。

She was positively beaming with pleasure.: 她的确喜不自胜。

narrow beams of light/sunlight: 一丝丝的光线 / 阳光

the beam of a torch/flashlight: 手电筒 / 闪光灯光柱

a laser/electron beam: 激光 / 电子束

(British English)The car's headlights were on full beam (= shining as brightly as possible and not directed downwards) .: 那辆汽车大开着前灯。

(North Amercian English)a car with its high beams on: 前灯大开着的汽车

The cottage had exposed oak beams.: 小屋的橡木梁裸露着。

a beam of satisfaction: 满意的笑容

Your calculation is way off beam.: 你的计算完全错误。

He beamed at the journalists.: 他笑容满面地面对记者。

The interview was beamed live across America...: 这次访谈向全美国现场直播。

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。

A sharp white spotlight beamed down on a small stage...: 聚光灯的强烈白光照在小舞台上。

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。

The ceilings are supported by oak beams.: 房顶用橡木横梁支撑。

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。

'Welcome back,' she beamed.: “欢迎回来，”她满面笑容地说。

...high-energy laser beams.: 高能激光束

...a beam of neutrons.: 一束中子

In his design the beam cantilevers out far for balance.: 在他的设计中,悬臂梁伸出太多,不能平衡.

中文词源

beam 柱子，笑容满面

词源同be, 生长，存在，此处指长成柱子。笑容来自柱子的比喻义，笑容如明亮的光线束。

助记提示

【记】音：壁木，墙壁上的木头

双语例句

1. The lighthouse beam was quite distinct in the gathering dusk.: 灯塔的光束在渐浓的暮色中清晰可见。

2. He directed the tiny beam of light at the roof.: 他把那一小束光对准了屋顶。

3. She froze when the beam of the flashlight struck her.: 当手电筒的光照到她身上时她僵住了。

4. Fix the beam with the brackets and screws.: 把横梁用托架和螺丝固定。

5. Everything she says is a little off beam.: 她的话全都不大靠谱。

英文词源

beam: beam: [OE] In Old English times the word bēam (like modern German baum) meant ‘tree’ – a signification preserved in tree-names such as hornbeam and whitebeam. But already before the year 1000 the extended meanings we are familiar with today – ‘piece of timber’ and ‘ray of light’ – had started to develop. Related forms in other Germanic languages (which include, as well as German baum, Dutch boom, from which English gets boom ‘spar’ [16]) suggest a West Germanic ancestor *bauma, but beyond that all is obscure.
=> boom
beam (n.): Old English beam originally "living tree," but by late 10c. also "rafter, post, ship's timber," from Proto-Germanic *baumaz (cognates: Old Norse baðmr, Old Frisian bam "tree, gallows, beam," Middle Dutch boom, Old High German boum, German Baum "tree," Gothic bagms), perhaps from PIE verb root *bheue- "to grow" (see be). The shift from *-au- to -ea- is regular in Old English.

Meaning "ray of light" developed in Old English, probably because it was used by Bede to render Latin columna lucis, the Biblical "pillar of fire." Nautical sense of "one of the horizontal transverse timbers holding a ship together" is from early 13c., hence "greatest breadth of a ship," and slang broad in the beam "wide-hipped" (of persons). To be on the beam (1941) was originally an aviator's term for "to follow the course indicated by a radio beam."
beam (v.): "emit rays of light," early 15c., from beam (n.) in the "ray of light" sense. Sense of "to smile radiantly" is from 1804; that of "to direct radio transmissions" is from 1927. Related: Beamed; beaming.

词态变化

复数: beams;第三人称单数: beams;过去式: beamed;过去分词: beamed;现在分词: beaming;