心气通常被称作勇气，是生命做有用功的力量源泉。

Courage comes from heart. It is the force that does the real work in real life.

心是一个泵，一种自发的脉冲波动力装置。能量来源是外界大气圈中的大气势能。

Heart is a pulsation pump capable of autonomously converting potential energy from the atmosphere into quantized pneumatic energy.

制作成薄膜泵，工艺会更简单，而且效率会提高很多。

By making a heart into a membrane pump is much more efficient and easier.