常见

• Congenital stenosis of the esophagus is not common .
  先天性食管狭窄并不常见。
• A typical lens has a focal length(f)of 625 mm .
  常见镜头的焦距（f）为625毫米。
• Glomerular changes are both frequent and severe .
  肾小体的病变是常见而严重的。
• Chronic injury in metropolitan region is common .
  大城市地区慢性危害是常见的。
• Do you see each other socially ?
  你们在公开场合常见面吗？
• Milk comes from cows and goats .
  常见的奶是牛奶和羊奶。
• Short attention spans are common .
  视野缩小是常见的。
• Nipple inversion is quite common in normal breasts .
  乳头内陷在正常乳房中也很常见。
• The most common monosaccharides are hexoses and pentoses .
  最常见的单糖是己糖和戊糖。
• The noun " vendor " is much more common than the verb .
  “vendor”名词比形容词更常见。