contaminated air
英
美
- air n.空气;天空;空中;感觉;神态;曲调;装腔作势v.晾干;使通风;广播
- contaminated adj.受污染的动词contaminate的过去式和过去分词.
- Cars pollute the air in the form of waste gas.
汽车以废气的形式污染空气。
- These gases form polluted air, or smog.
而这些气体就会形成污染空气或烟雾。
- Heating is concerned with the supply of fresh air and removal of air that is vitiated, polluted, or contaminated.
供暖系统参与了新鲜空气的供给和污浊空气的排除。