《西游记》第六十九回写道:朱紫国国王患病,孙悟空为国王配药,用了大黄、巴豆、百草霜,最后用马尿和丸,用无根水送服。什么是无根水?孙悟空解释道:“井中河内之水,俱是有根的。我这无根水,非此之论,乃是天上落下者,不沾地就吃,才叫做无根水。”我们仔细想想,陆地上“有根”的水都来自“无根水”。 Journey to the West wrote sixty-ninth back: King Zhu Zi Guo sick, King Wukong for the king pharmaceutical, with rhubarb, croton, herb grass cream, and finally with horse urine and pills, with root-free delivery. What is rootless water? Sun Wukong explained: “Well in Hanoi, there is a root .I rootless water, non-theory, but the sky fall, do not stick to eat, it is called rootless Water. ”“ We think about it, the water on the ground ”comes from“ rootless water ”.