sporadic [spəˈrædɪk, spɔ-]

例句:

• But it remains capable of carrying out sporadic attacks.
  来自VOA
• We are hearing sporadic shelling now, occasional gunfire.
  来自VOA
• There were reports of sporadic fighting in the streets.
  有报道说街上有零星战斗.
  
• The area has been the scene of sporadic artillery duels over the last six weeks.
  在过去的6周中，该地区曾经发生过零星的炮击。
  
• In its common'sporadic " form, Creutzfeldt -- Jakob disease is rare in people under 50.
  克雅氏病通常以“个例 ” 形式而且在50岁以下的人中偶发.
  
• Camp officials told us food aid here is sporadic.
  来自VOA