当我们吸气的时候,这些肌肉就收缩,扩大肺部并吸入空气。
These muscles contract when we breathe in, expanding the lungs and drawing in air.
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.
当引擎冷却时,通过出口软管吸入空气,在真空管产生吸气,导致柱塞向下挤压弹簧。
The engine, as it cooled itself, sucked in air through the outlet hose, producing suction in the vacuum chamber, and so drawing the plunger down and compressing the spring.
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