Close inspection shows that they are wearing masks with tiny perforations around the eye and nose area for seeing and breathing.
据近距离观察，原来他们戴了面具，眼部和鼻子附近有许多方便观看和呼吸的小孔。
2
We should, however, be breathing from the diaphragm, an area between the stomach and chest. Breathing in this way takes less effort, maximizes oxygen intake and relaxes both body and mind.
我们应该从腹部和胸腔之间的横膈膜呼吸，这样能增加氧分摄入，同时放松身心。
3
Start to consciously notice your breathing by placing your hand on your stomach and train yourself to bring your breath into this area.