These bulbs are designed to filter out the yellowish spectrum, hence emitting a whiter light which increases visibility at night.

这些灯泡是被设计来滤除黄光谱，因此发出一个白光增加能见度的夜晚。

youdao

The following day we complained again and a service guy came to change the air-condition filter, situation did not improve at all and we had to spend another smelly night!

第二天我们又一次投诉，一个服务生过来换掉了空调过滤器，但情形丝毫没有得到改善，我们又不得不在臭味当中度过了一晚上！

youdao

Crossing the black filter we enter to the night part of the house where the effect is similar to the day part.

穿越黑滤芯我们进入到了房子的效果类似日间部分之夜。

youdao

With the advent of street lighting, however, socialising at night began to filter down through the classes.

BBC: The myth of the eight-hour sleep

Blinds have been installed to remove the need for air conditioning, keeping it cool during the day and allowing excess heat to filter out at night.

BBC: Does Shard point to design's future?

All night, snippets of the solution filter in and out of his dreams.

FORBES: Mind Hacks: How Innovators Really Arrive At Their Big Ideas