每年有100多万人死于因接触此类室内空气污染而导致的慢性阻塞性肺病(COPD)。
More than 1 million people a year die from chronic obstructive respiratory disease (COPD) that develop due to exposure to such indoor air pollution.
每年有100多万人死于因接触此类室内空气污染而导致的慢性阻塞性肺病(COPD)。
More than 1 million people a year die from chronic obstructive respiratory disease (COPD) that develop due to exposure to such indoor air pollution.
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