light beam 中文意思、发音与例句

More examples更多例句

AI examples

1
The light beam from the lighthouse guides ships safely to the harbor.
灯塔发出的光束引导船只安全入港。
2
A narrow light beam passes through the small hole and projects an image on the screen.
一束狭窄的光线穿过小孔，将图像投射在屏幕上。
3
The sensor detects any interruption of the light beam across the doorway.
传感器检测门口光束的任何中断。

形容词可修饰light beam，如narrow, powerful等。

A narrow light beam passed through the slit.

一束狭窄的光束穿过了狭缝。

光束常作为主语，后接illuminate, shine等动词。

The light beam illuminates the entire room.

光束照亮了整个房间。

动词常为direct, shine, aim等，表示控制光束方向。

He directed a light beam at the suspicious package.

他将一束光射向可疑包裹。

grammarmedium

Not this

He pointed at light beam.

Use this

He pointed at a light beam.

汉语中'光束'前可不用冠词，但英语可数名词短语'light beam'前需要不定冠词a/an或定冠词the，否则语法不正确。

grammarmedium

Not this

The beam light is very bright.

Use this

The light beam is very bright.

汉语'光束'的词序是'光'（light）在前、'束'（beam）在后，但英语固定词序为'light beam'，不可颠倒。