filter
/ˈfɪltə/ · /ˈfɪltər/
CEFR level B2Topic TechnologyWord #3939 in the learning path
过滤器；滤网
Definitions
n. a device that removes unwanted substances from liquid or air
过滤器；滤网
v. to remove unwanted substances or select information using particular conditions
过滤；筛选
v. to pass through or spread gradually
缓缓透入；逐渐传开
Example
The water filter needs replacing before we leave.
我们出发前需要更换净水滤芯。
Modern treatment plants filter wastewater to remove harmful substances before releasing it into local rivers.
现代污水处理厂会过滤污水，去除有害物质后再将其排入当地河流。
Collocations
- air filter
- filter out impurities
- filter search results
- light filters through
Word family
- filtration (n.)
- filtered (adj.)
- unfiltered (adj.)
Usage tip
filter out后接被滤除的东西，不是保留下来的。
FAQ
- What does filter mean?
- a device that removes unwanted substances from liquid or air to remove unwanted substances or select information using particular conditions to pass through or spread gradually
- How is filter pronounced?
- UK /ˈfɪltə/, US /ˈfɪltər/. Use the audio buttons above to listen.
