The problem is often that fresh air doesn't get into the cooking area.
问题往往在于，新鲜空气无法进入厨房。
2
Of course, you have to keep warm and you can't stop cooking, but you can reduce the amount of bad air you breathe.
当然，你需要保暖，也不能不做饭，但你可以减少呼吸受污染空气的量。
3
Such cooking and heating produces high levels of indoor air pollution with a range of health-damaging pollutants, including small soot particles that penetrate deep into the lungs.