beam 的用法和发音

顾老师英语课堂

beam

/biːm/
名词 动词

基本释义:光束;横梁;微笑

词源:源自古英语"bēam",意为"树木、光线"

📚 核心含义

光线

指一束光线或射线

A beam of sunlight came through the window.
一束阳光透过窗户照射进来。
物理学

横梁

建筑中的支撑结构

The wooden beam supports the roof.
这根木支撑着屋顶。
建筑学

微笑

形容灿烂的笑容

She gave me a bright beam.
她对我灿烂地微笑。
表情

"beam"是常用词汇,在不同领域有不同含义。作为动词时表示"发光"或"微笑"。

🔄 用法对比

英语例句

The beam of light illuminated the room.

The construction workers installed steel beams.

Her face was beaming with joy.

中文翻译

光束照亮了整个房间。

建筑工人安装了钢

她脸上洋溢着喜悦。

🔊 发音指南

英式发音

/biːm/

比-姆(长音iː)

美式发音

/biːm/

比-姆(长音iː)

发音要点:

常见发音错误

  • 读成"贝姆"(应为/biːm/)
  • 把"ea"发成短音/ɪ/
  • 结尾"m"发音不完整

🎯 常见搭配

light beam

表示光束

light beam
光束
物理

balance beam

平衡木

balance beam
平衡木
体育

beam with

因...而微笑

beam with joy
喜悦而微笑
表情

语法注意

名词: beam
动词: beam/beams/beaming/beamed

⚠️ 易混淆点

不要混淆:

The beam is made of light. (错误)

正确:The beam is made of steel. (指横梁)

She beamed the flashlight. (错误)

正确:She shone the flashlight. (beam作动词时不接物体)

✍️ 随堂练习

翻译练习

1. The laser beam is very powerful.
2. The ceiling beam needs repair.
3. He beamed at the good news.

1. 激光非常强大。

2. 天花板横梁需要修理。

3. 听到好消息他笑逐颜开

发音练习

跟读以下句子:

• The beam supports the structure. [biːm]
• A sun beam entered the room. [biːm]
• Her face was beaming. [ˈbiːmɪŋ]

改错练习

找出并改正错误:

1. He beamed the light on the wall.
2. 读作[bɪm]
3. The beam is smiling happily.

1. He shone the light on the wall.

2. 读作[biːm](长音iː)

3. Her face is beaming happily.