tiān / qì / hán / lěng / shí / shā / bù / kǒu / zhào / yě / néng / bāng / zhù / dǎng / zhù / yí / bù / fèn / lěng / fēng

天气寒冷时，纱布口罩也能帮助挡住一部分冷风。

In cold weather, a gauze mask can also help block some of the cold wind.