求翻译：专家的研究表明，早晨６点左右，空气中的有毒有害气体高出正常情况下的2～3倍。因为早晨的天气，大气内的污染物不能向大气上层扩散，淤积和停留在空气中。这时候在户外锻炼的人们正好受害，活动量越大，受害程度就越严重。是什么意思？

Expert studies show that, around 6:00, toxic and harmful gases in the air 2-3 times higher than under normal circumstances. Because the weather in the morning, pollutants in the atmosphere can not be spread to the upper atmosphere, siltation and stay in the air. This time people just suffer in outdo

The research shows that experts, and in the morning about 6 o'clock in the air, the toxic and harmful gases under normal circumstances a high of 2 to 3 times. Because the morning weather, atmospheric contamination in the upper atmosphere to proliferation, sedimentation and stay in the air. At this p

Expert's research indicated that, morning about 6 o'clock, in the air virulent noxious gas outdoes in the normal condition 2~3 times.Because of the morning weather, in the atmospheric pollutant cannot to the upper atmosphere proliferation, silt up and pause in the air.At this time happen to suffers

Experts study showed that about 6 o'clock in the morning, the toxic gas in the air above the 2~3 of times under normal conditions. Because the weather in the morning, does not spread to the upper layer in the atmosphere of atmospheric pollutants, siltation and stay in the air. People just suffer in

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