痰和暗舌、青舌、紫舌、舌下络脉青紫有联系；

Phlegm is associated with dim tongue, blue tongue, purple tongue and blue and purple collaterals under tongue;

youdao

痰和暗舌、青舌、紫舌、舌下络脉青紫有联系；

Phlegm is associated with dim tongue, blue tongue, purple tongue and blue and purple collaterals under tongue;

youdao