天枢

yùn yòng ài tiáo jiǔ fǎ xuǎn jī běn xué wèi tiān shū

运用艾条灸法，选基本穴位天枢。

Adopt moxa roll moxibustion and choosing acupoints of Tianshu.

tiān shū céng shì zuì liàng de xīng

天枢曾是最亮的星。

Dubhe was the most glorious star.