sigmoid vein

常见例句

• 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。
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