vena cava
n.
Medical Latin, from Latin vena "vein" (see vein) + cava, from cavus "hollow" (see cave, n.).
| 词汇 | vena cava | 
| 词根词缀 | Online Etymology Dictionary vena cava n. Medical Latin, from Latin vena "vein" (see vein) + cava, from cavus "hollow" (see cave, n.). | 
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