Filter household的意思|示意

If a filter isn't in your budget there is a household item that can be used as an affordable (yet less effective) substitute - sunglasses!

如果你也负担不起滤镜，哈，有个家用的替代品，太阳镜！

Handled basic household maintenance. - replaced the ac filter, applied pest control spay, replaced fire alarm batteries, etc.

完成了家里一些基本的维修工作。——换了空调过滤网，喷了杀虫药，给火灾报警器换了电池，等等。

A standard fiberglass filter traps only the largest dust particles. It's effective enough to protect your furnace but does almost nothing to reduce household dust.

一个标准的玻璃纤维过滤器可以过滤空气中的最大尘埃，足以保护你的火炉，但几乎没有减少家庭的灰尘。

So the LEDs found in current household applications are blue diodes daubed with a powdered coating called a phosphor, which includes rare-earth elements that filter blue light.

所以，现在家用的LED是将蓝色的发光二极管的外壁涂上粉末状的磷，其中含有的稀土元素可以把蓝光过滤掉。