renal qi的用法和樣例：
例句
- Hair during the various stages of one's life exemplifies the physiological changes which are connected to the developments of kidney qi or the vital energy of the body.
頭發是生命中各階段里的生理變化的主要指標，由于腎氣興旺才得以長得既長又多，烏黑光亮。 - The occurrence of a disease is related to both pathogenic factors and vital qi.
疾病的發生和邪氣及正氣都相關。
