We need a brighter light source to read.

我们需要一个更亮的光源来阅读。

The sun is the most important light source on Earth.

太阳是地球上最重要的光源。

The only light source in this room is that lamp.

这个房间的唯一光源是那盏灯。

This experiment requires a prism and a light source.

这个实验需要一个棱镜和一个光源。

The plant exhibits phototropism by bending towards the light source.

植物通过向光源弯曲表现出向光性。

A nondirectional light source provides even illumination in the room.

无方向性的光源为房间提供均匀的照明。

They used a laser as the light source in their experiment.

他们在实验中使用了激光作为光源。

You can adjust the angle of the light source to reduce shadows.

你可以调整光源的角度以减少阴影。

The phototaxis of plants makes them grow towards the light source.

植物的趋光性使它们朝向光源生长。

A radiometer can help determine the energy output of a light source.

辐射计可以帮助确定光源的能量输出。