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。
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.
如果吸入水珠，则可能导致宇航员窒息和设备短路，因此许多宇航员用起了音乐节最流行的：湿巾。
Water droplets can cause choking if inhaled and can short-circuit equipment, so many astronauts use the music-festival favourite: moist wipes.
当你进行完8 - 10次以下方肺部分进行的呼吸后，将第二步添加到呼吸过程中：首先，和刚才一样用下方的肺吸气，然后，继续吸气，吸入上方胸腔。
When you have filled and emptied your lower lungs 8 to 10 times, add the second step to your breathing: Inhale first into your lower lungs as before, and then continue inhaling into your upper chest.
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