冬天晾晒被褥应讲究科学。尤其是以下几个方面要多加注意。首先,要选择风和日丽的天气晾晒被褥,尽量避免大风天,以防止空气中的飘尘和花粉等落在被褥上,把被褥弄脏。还要选择在空气干净的地方晾晒,以免被褥在晾晒过程中受到“二次污染”。 Winter drying bedding should pay attention to science. In particular, the following aspects should pay more attention. First of all, to choose the sunny weather dry the bedding, try to avoid windy days, in order to prevent airborne dust and pollen fall on the bedding, the bedding dirty. Also choose to clean the place in the air drying, so as to avoid the bedding in the drying process by the “secondary pollution.”