气血的英文：
qi and blood

The ultimate goal of TCM is to balance the yin and yang in our lives through promoting the natural flow of qi
中医的最高目标是通过促进气血流动实现阴阳平衡

blood cholinesterase
血液胆碱脂酶

Change venous blood into arterial blood.
把静脉血转化为动脉血。

The affluence of blood to the heart through the blood vessels.
血液经血管流入心脏。

The red blood cell is released back into the blood stream.
血红细胞于是又释放回血液中。

He started coughing blood.
他开始咳血了。