contaminated air的用法和樣例：
例句
- Cars pollute the air in the form of waste gas.
汽車以廢氣的形式污染空氣。 - These gases form polluted air, or smog.
而這些氣體就會形成污染空氣或煙霧。 - Heating is concerned with the supply of fresh air and removal of air that is vitiated, polluted, or contaminated.
供暖系統參與了新鮮空氣的供給和污濁空氣的排除。
