/veɪn; ven/
n
1 [C] any of the tubes carrying blood from all parts of the body to the heart 静脉
*Royal blood ran in his veins. 他有王族血统. Cf 参看 artery.
2 [C] any of the thread-like lines forming the framework of a leaf or of an insect's wing 叶脉; 翅脉.
3 [C] narrow strip or streak of a different colour in some kinds of stone, eg marble, or in some cheeses （大理石等或某些乾酪的）纹理, 纹路.
4 [C] crack or fissure in rock, filled with mineral or ore; seam 矿脉; 岩脉; 矿层
*a vein of gold 金矿脉.
5 [sing] ~ (of sth) (fig 比喻) distinctive feature or quality; streak 特徵; 气质; 性情
*have a vein of melancholy in one's character 性格中含有忧郁的成分
* Her stories struck/revealed a rich vein of humour. 她的小说饶有风趣.
6 [sing] manner or style; mood 方式; 风格; 心情; 情绪
*in a sad, comic, creative, etc vein 以忧伤的心情、喜剧的风格、富于创造性的方式等
* The complaints continued in the same vein. 总是那一类的牢骚话, 没完没了.

n
artery, brain, fatty, tissue, heart, kidney, intestine, intestine2, small, large, liver, lung, muscles, stomach, vein, throat
[Date: 1200-1300; Language: Old French;Origin: veine, from Latin vena]
[C]
one of the tubes which carries blood to your heart from other parts of your body
→artery
　the pulmonary vein
　She felt the blood racing through her veins as they kissed.
[C]
one of the thin lines on a leaf or on an insect's wing
[C]
one of the thin lines on a piece of cheese or some types of stone
[C]
a thin layer of a valuable metal or mineral which is contained in rock
vein of
　veins of gold
in a ... vein
in a particular style of speaking or writing about something
in the same vein/in a similar vein
　There was more humour, in much the same vein.
in a serious/light-hearted etc vein
　poems in a lighter vein
a vein of humour/malice etc
a small amount of humour etc
　In voicing our fear of old age, Rivers has discovered a rich vein of comedy.
→deep vein thrombosis, varicose veins