ké / sòu / shí / yào / yòng / zhǐ / jīn / zhē / zhù / kǒu / bí / bì / miǎn / fēi / mò / chuán / bō咳嗽时要用纸巾遮住口鼻,避免飞沫传播。When coughing, use a tissue to cover your mouth and nose to prevent the spread of droplets.