contaminated air是什么意思 contaminated air怎么读
contaminated air的用法和样例
- 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。
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