柯林斯詞典vena cava /?ke?v?/ 1. N either one of the two large veins that convey oxygen-depleted blood to the heart 腔靜脈 返回 vena cava劍橋詞典one of the two very large veins through which blood returns to the heart , one from the upper body and head and one from all of the body below the chest 腔靜脈 The superior (= upper ) and inferior (= lower ) venae cavae collect blood that has circulated around the body . 上腔靜脈和下腔靜脈匯集環(huán)繞人體流動(dòng)的血液。 返回 vena cava