1 [C] one of the tubes which carry blood from all parts of your body to your heart 静脉（把血液送回心脏的血管） ☞Look at artery, jugular and varicose vein. 参看artery、jugular及varicose vein。 ☞picture at circulation 见circulation插图

2 [sing] [U] a particular style or quality 风格；特质: After a humorous beginning, the programme continued in a more serious vein. 幽默的开场白过后，节目以比较严肃的风格进行。