心脏舒张压 xīnzàngshūzhāngyā diastolic blood pressure Origin Definitions Defs Strokes Stroke Words Sentences Sents 心脏 心臟 xīnzàng noun heart The physical organ that pumps blood through the body.舒张压 舒張壓 shūzhāngyā diastolic blood pressure The lowest level of arterial blood pressure when the heart relaxes between beats; commonly called 低压 dīyā.