n.靜脈文理；脈紋的排列
There is a vein of melancholy in his character. 他的性格中有少許憂(yōu)郁的氣質(zhì)。
The heart pumps blood into the veins. 心臟把血液送至血管。
I could feel blood pulsing through my veins. 我感到渾身血液在沸騰。
I am not in the vein for work. 我沒(méi)有心情工作。
