urban air

 
       
  • 城市空氣

urban air的用法和樣例:

例句

  1. The air quality in the urban areas picked up gradually.
    城市空氣質(zhì)量逐步提高。
  2. Exhaust gas has been incriminated in air pollution in cities.
    廢氣已過(guò)視為城市空氣污染的原因。
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