blood vesselˈblood ˌvessel noun [countable] one of the tubes through which blood flows in your body体内输送血液的管道之一uno de los tubos por los que circula la sangre en el cuerpoum dos tubos por onde o sangue circula no corpo体内で血液が流れる管の一つ몸속에서 혈액이 흐르는 관 중 하나 → artery, vein