noun🔗Share腔静脉 Either of the two large veins that take oxygen depleted blood, from the upper body and from the lower body, and return it to the right atrium of the heart."The doctor explained that the vena cava is a large vein that brings blood without oxygen back to the heart. "医生解释说，腔静脉是一条很大的静脉，它把身体里缺氧的血液送回心脏。anatomyorganphysiologymedicinebiologybodyChat with AIVocabulary GamePractice Reading
