| 单词 | vena |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔postcava〕A large vein that returns blood to the heart from the lower half of the body; the inferior vena cava.（畜类的）后腔静脉：将血液从下半身送回心脏的大静脉；低级腔静脉美国传统〔precava〕The superior vena cava.前腔静脉美国传统〔vena cava〕The superior (= upper) and inferior (= lower) venae cavae collect blood that has circulated around the body.上腔静脉和下腔静脉汇集环绕人体流动的血液。剑桥高阶 |
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