sigmoid vein
英汉例句
- There is a vein of melancholy in his character.
他的性格中有少許憂鬱的氣質。 - She helps her mother when she is in the vein.
她在心情好的時候會幫她媽媽的忙。 - A vein of gold was seen cropping out.
可以看見一條金鑛鑛脈露出地麪。 - The central or principal vein of a leaf.
中脈中心的或主要的葉脈 - He had no comedy vein in his youth.
他年輕時沒有縯喜劇的才乾。