降压

降压	jiàng yā	to reduce the pressure (of a fluid) / to lower one's blood pressure / to lower (or step down) the voltage
降	jiàng	to drop / to fall / to come down / to descend
降	xiáng	to surrender; to capitulate / to subdue; to conquer; to tame
压	yā	to press / to push down / to keep under (control) / pressure
压	yà	used in 压根儿 / used in 压马路 / used in 压板