n. 滤波器;滤光器;滤色镜;[化] 过滤器
vi. 过滤;透过;渗透
vt. 过滤;滤除
网络 滤镜; 滤光片
A new filter can save on energy bills.
一个新的过滤器能节省能源开支。
A filter will remove most impurities found in water.
过滤器会滤掉水中的大部分杂质。
Put the coffee in the filter and let the water run through.
把咖啡放入过滤器里让水流过。
Change the filter cartridge as often as instructed by the manufacturer.
要按制造商要求的频率更换过滤套筒。
You might use a yellow filter to improve the clarity of a hazy horizon.
你可以用一个黄色滤光器来提高模糊的地平线的清晰度。