A faint blue light shot across it, darkening to purple.

一道微弱的蓝光闪过，变成了紫色。

Blue light can affect your sleep quality.

蓝光会影响你的睡眠质量。

Many electronic devices emit blue light.

许多电子设备都会发出蓝光。

Blue light glasses can help protect your eyes.

蓝光眼镜可以帮助保护你的眼睛。

Prolonged exposure to blue light is harmful to the eyes.

长时间暴露在蓝光下对眼睛有害。

You can use filters to reduce the impact of blue light.

你可以使用滤镜来减少蓝光的影响。

Then I saw a blue light that surprised me, I was scared.

然后我看到一个让我吃惊的蓝光，我很害怕。

So light. Let's talk about blue light a little bit.

我们再来聊聊蓝光。

Penguins and elephant seals show most sensitivity to blue light.

企鹅和海象对蓝光非常敏感。

Irradiated cells emit green fluorescence excited by blue light.

在荧光显微镜的蓝光激发下，被照射的细胞发绿光。