舒张 shūzhāng to relax and expand Origin Definitions Defs Strokes Stroke Words Sentences Sents 舒张压 shūzhāngyā diastolic blood pressure The lowest level of arterial blood pressure when the heart relaxes between beats; commonly called [[低压|低壓|di1 ya1]].心脏舒张压 xīnzàngshūzhāngyā diastolic blood pressure The blood pressure in the arteries when the heart is resting between beats.