1
a light source for [purpose]
LEDs are a common light source for indoor lighting.
LED是室内照明的常见光源。
光源
light sources — plural of light source
先理解核心含义，再看它在真实句子里的用法。
光源
a source of light, such as the sun, a lamp, or a laser
LEDs are a common light source for indoor lighting.
LED是室内照明的常见光源。
如太阳、灯、激光等
光源。
A source of illumination.
The lamp provides a steady light source for reading.
这盏灯为阅读提供了稳定的光源。
We need to identify the light source before we can eliminate the glare.
我们需要先确定光源，才能消除眩光。
A flashlight is a portable light source that runs on batteries.
手电筒是一种使用电池的便携式光源。
LEDs are a common light source for indoor lighting.
LED是室内照明的常见光源。
They used the sun as a light source.
他们利用太阳作为光源。
表示某物的光源时常用'of'结构。
The light source of the microscope needs replacement.
显微镜的光源需要更换。
Not this
We need light source to see.
Use this
We need a light source to see.
光l来源是可数名词，表示一个光源时需要加不定冠词a。
Not this
There are many light source in the room.
Use this
There are many light sources in the room.
可数名词复数形式加-s，表示多个光源。
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常用作可数名词短语
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.