air filter
noun [ C ] uk/ˈeə ˌfɪl.tər/ us/ˈer ˌfɪl.tɚ/ (also air cleaner, /ˈeə ˌkliː.nər/ /ˈer ˌkliː.nɚ/)
空气过滤器
a piece of equipment for removing harmful substances from the air so that people do not breathe them in
Keep your car properly tuned up, and change the air filter regularly. 保持车辆正常运转，定期更换空气过滤器。
They sell air cleaners for use in cars and office cubicles. 他们出售用于汽车和办公室小隔间的空气净化器。
- More examples
- The association recommended using air filters in the home to cut down on indoor air pollution.
- The buildings are equipped with an air filter that removes the smallest particles, including all bacteria and viruses.
- The air filters that are supposed to keep radioactive particles from escaping into the air might not hold up during an accident.
- He suggests using air cleaners with HEPA filters to combat pet allergies.
- The smokers' room features a central air cleaner and four extractor fans.