laugh, smile, giggle, grin, beam, sneer

名詞 beam:

1. a signal transmitted along a narrow path; guides pilots in darkness or bad weather
   同義詞：radio beam
2. long thick piece of wood or metal or concrete, etc., used in construction
3. a column of light (as from a beacon)
   同義詞：beam of light, light beam, ray, ray of light, shaft, shaft of light, irradiation
4. a group of nearly parallel lines of electromagnetic radiation
   同義詞：ray, electron beam
5. (nautical) breadth amidships
6. a gymnastic apparatus used by women gymnasts
   同義詞：balance beam

動詞 beam:

1. smile radiantly; express joy through one's facial expression
2. emit light; be bright, as of the sun or a light
   同義詞：shine
3. express with a beaming face or smile
4. broadcast over the airwaves, as in radio or television
   同義詞：air, send, broadcast, transmit
5. have a complexion with a strong bright color, such as red or pink
   同義詞：glow, radiate, shine
6. experience a feeling of well-being or happiness, as from good health or an intense emotion
   同義詞：glow, radiate, shine

1. She performed on the balance beam with much grace.
   她在平衡木上表演得非常優(yōu)美。
2. He stooped under the low beam.
   他在低矮的橫梁下彎著腰。
3. From a sky of untarnished blue the sun beamed down upon Beijing.
   陽光透過萬里碧空照耀著北京城。
4. We enjoy seeing the glorious beams of the rising sun.
   我們喜歡觀賞初升太陽的燦爛光輝。
5. She beamed at me.
   她對我微笑。

beam

n.Abbr. bm.（名詞）縮寫 bm.
A squared-off log or a large, oblong piece of timber, metal, or stone used especially as a horizontal support in construction.
梁、棟梁：建筑中用作水平支撐的，多為切成方形的圓木或長方形木材、金屬或石頭
Nautical
【航海】
A transverse structural member of a ship`s frame, used to support a deck and to brace the sides against stress.
船梁：船的橫向結(jié)構(gòu)，用以支撐甲板并固著在船體的兩則以抵抗壓力
The breadth of a ship at the widest point.
船幅：船體的最大寬度
The side of a ship:
舷：
例句：
sighted land off the starboard beam.
轉(zhuǎn)向右舷方向便望見了陸地

Informal The widest part of a person`s hips:
【非正式用語】 臀圍：臀部最寬處：
例句：
broad in the beam.
臀部寬大

A steel tube or wooden roller on which the warp is wound in a loom.
卷軸：織機(jī)上的鐵管或木輪，供經(jīng)線纏繞之用
An oscillating lever connected to an engine piston rod and used to transmit power to the crankshaft.
傳動桿：可擺動的杠桿，與引擎之活塞相連，用以向機(jī)軸傳送能量

The bar of a balance from which weighing pans are suspended.
桿，杠桿：天平上懸掛秤盤的橫桿
Sports A balance beam.
【體育運動】 平衡木
The main horizontal bar on a plow to which the share, colter, and handles are attached.
車轅、犁柄：犁上主要的橫棍，用以固定犁鏵、犁刀和柄
One of the main stems of a deer`s antlers.
小鹿角的主干

A ray or shaft of light.
光柱，光束
A concentrated stream of particles or a similar propagation of waves:
波束：粒子聚流或以類似方式傳播的波：
例句：
a beam of protons; a beam of light.
質(zhì)子電波；光束

A radio beam.
無線電波
v.（動詞）
beamed,beam.ing,beams
v.intr.（不及物動詞）
To radiate light; shine.
發(fā)光；照射
To smile expansively.
愉快地笑，眉開眼笑
v.tr.（及物動詞）
To emit or transmit:
發(fā)送，傳送：
例句：
beam a message via satellite.
通過衛(wèi)星傳送一條信息

To express by means of a radiant smile:
微笑示意：
例句：
He beamed his approval of the new idea.
他微笑表示贊同這個新主意

<習(xí)慣用語>on the beam
Following a radio beam. Used of aircraft.
跟隨無線電波。用于指飛機(jī)
On the right track; operating correctly.
正確：在正確軌道上；行為端正的
來源：
Middle English bem
中古英語 bem
from Old English bôam * see bheu…-
源自 古英語 bôam *參見 bheu…-