《黄帝内经·素问·本病论》
若太阳寒水日久不得降下，伏而不布则化为郁气。
久而不降，伏之化郁。
If the sun's cold water has not been lowered for a long time, it will become stagnant and not spread out for a long time, which will turn into depressed qi.
<s>[INST] Kindly elucidate the central themes in this passage in English: 久而不降，伏之化郁。 [/INST] If the sun's cold water has not been lowered for a long time, it will become stagnant and not spread out for a long time, which will turn into depressed qi.</s>
Kindly elucidate the central themes in this passage in English: 久而不降，伏之化郁。
user
If the sun's cold water has not been lowered for a long time, it will become stagnant and not spread out for a long time, which will turn into depressed qi.
assistant