不要用汽车空调或加热器去循环空气，将操控仪表板选至外部空气会降低内部循环时产生的污染物。
Don't set your car's air conditioner or heater to recirculated air. Selecting the outside air option on your dashboard will reduce the number of pollutants you're circulating inside the car.
当她们暴露于污染的空气之中，污染物便会进入她们的血液并再透过胎盘及脐带进入胎儿的血液循环系统中，严重影响胎儿的成长及发育。
When exposed to ambient air pollution, pollutants will enter a pregnant woman's bloodstream and pollutants can then reach the foetus' circulation through the placenta and umbilical cord.
也植物CO2和空气污染物和气体流在植物生态系统影响的新陈代谢全球气体循环。
Plant metabolism of CO2 and air pollutants and gas fluxes in plant ecosystems influence global gas cycles as well.
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