beam

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数据源: ai_enrichment
beam 作为名词指横梁、杆或光线,作为动词表示微笑、照耀或用梁支承,常用于描述结构或情感表达。

用法要点

句型搭配

作为名词时,常用于描述物理结构或光线,如 'a beam of light';作为动词时,可接宾语表示照耀或微笑,如 'beam at someone'。

• a wooden beam
• beam with joy
• beam a signal

介词用法

与介词 'with' 连用表示伴随情感,如 'beam with pride';与 'at' 连用表示方向,如 'beam at the audience'。

• beam with happiness
• beam at the camera

语域说明

在口语中常用于表达喜悦或光线,如 'She beamed when she heard the news';在技术或学术语境中,指光束或结构支撑,如 'laser beam'。

• beam in a smile
• electron beam

基础例句

The sun beamed through the window, warming the room.

阳光透过窗户照耀进来,温暖了整个房间。

She beamed with pride when her son won the award.

当儿子获奖时,她脸上洋溢着自豪的笑容。

We need to replace the old wooden beam in the ceiling.

我们需要更换天花板上的旧木梁。

高级例句

The laser beam was precisely directed to cut through the metal sheet.

激光束被精确引导以切割金属板。

In structural engineering, beams are critical for distributing loads in buildings.

在结构工程中,梁对于建筑物中的荷载分布至关重要。

The satellite beams data back to Earth for analysis.

卫星将数据传回地球进行分析。

高频搭配

verb

support a beaminstall a beamshine a beam

adjective

wooden beamsteel beamlight beamlaser beam

noun

beam of lightbeam of hopebalance beam

adverb

brightly beamproudly beamdirectly beam

preposition

beam with joybeam at someonebeam from the ceiling

phrase

on the beamoff the beambeam up

常见错误

❌ 错误:He beamed the light on the wall.
✓ 正确:He beamed the light at the wall.

错误使用了介词 'on',正确应为 'at',表示光线照射的方向。

❌ 错误:She beamed with smile.
✓ 正确:She beamed with joy.

错误搭配了 'with smile',正确应为 'with joy' 或其他情感名词,因为 'beam' 通常与情感词连用。

近义词辨析

smile

smile 泛指微笑,而 beam 强调更明亮、喜悦的微笑,常带有情感强度。

She smiled politely vs. She beamed with excitement.

shine

shine 通常指物体发光或反射光,beam 更具体指光线集中射出或照耀,常用于技术语境。

The sun shines brightly vs. The lighthouse beams a warning signal.