cardinal veins

同根派生

英汉例句

• Persistent left posterior cardinal vein
  左后主静脉续存
• There is a vein of melancholy in his character.
  他的性格中有少许忧郁的气质。
• North, south, east, and west are the four cardinal points of the compass.
  东、西、南、北是罗盘上的四个方位基点。
• She is wearing a cardinal sweater today.
  今天她穿了件鲜红的毛衣。
• The cardinal number equal to1015.
  十的十五次幂基数等于1015。