When there's a fire, follow the teachers' instructions, leave the classroom quickly and use a piece of cloth to cover your mouth and nose so that you don't breathe in smoke.
发生火灾时，按照老师的指示，迅速离开教室，用一块布遮住口鼻，以免吸入烟雾。
The mouth can either be satin stitched, drawn on with a pen or cut out of cloth scrap and glued on.
小熊的嘴可以是缎子面的，可以是笔画上去的，也可以是剪好的碎布头粘上去的。
Wipe baby's mouth and nose with a clean cloth.
用干净的布擦拭宝宝的鼻子和嘴巴。
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