汽油的燃烧会产生大量的有毒气体，这些有毒气体会破坏保护我们免受有害射线伤害的臭氧层。
The buming of the gas produces a large arnount of poisonous gas, which destroys the ozone layer that protects us from the harmful rays.
汽油的燃烧会产生大量的有毒气体，这些有毒气体会破坏保护我们免受有害射线伤害的臭氧层。
The buming of the gas produces a large arnount of poisonous gas, which destroys the ozone layer that protects us from the harmful rays.
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