常見(jiàn)例句雙語(yǔ)例句Cleaning a dirty air filter can save 350 pounds of carbon dioxide a year.清空骯臟的空氣濾清器一年可以省下三百五磅的二氧化碳。Air filters with good filtration capabilities usually get dirty faster, meaning that it's doing a good job at filtration, whilst a filter with less filtration capabilities would stay cleaner longer.空氣過(guò)濾器有良好的過(guò)濾能力通常會(huì)弄得很臟得更快，這意味著它是在過(guò)濾做一份好工作，而一個(gè)過(guò)濾器過(guò)濾能力保持干凈少了。 返回 dirty air filter