after-filter的用法和樣例：
例句
- We usually clear the water with a filter.
我們通常用過(guò)濾器使水凈化。 - You must select at least one filter action.
您必須選擇至少一個(gè)過(guò)濾器動(dòng)作。 - By replacing your air filter annually, or biannually if you live in a dusty area, you'll ensure the engine can breathe freely.
每年換一次過(guò)濾器或者在沙塵多的地方每半年更換一次能保證你的愛(ài)車(chē)引擎自由呼吸。
