戴一条围巾，围脖或者色彩鲜艳的头巾遮住你的脖子、嘴和鼻子。
Wear a scarf, neck gaiter, or bandanna around your neck, mouth, and nose.
你打喷嚏或咳嗽时，一定要用一张纸遮住你的嘴和鼻子，再去洗手。
Always cover your mouth and nose with a piece of paper when you sneeze or cough, and then clean your hands.
烟在嘴和鼻子里有辛辣刺激之感。
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