occurred [ə'kɜ:d]

例句:

• It's thought that the blast occurred when volatile chemicals exploded.
  人们认为，易挥发的化学物质爆炸时产生了冲击波。
  来自柯林斯例句
• The fires occurred after the officials crash-tested the vehicle.
  来自VOA
• When the invasion occurred he ruled as a puppet of the occupiers.
  外敌入侵时，他作为占领者的傀儡行使统治。
  
• The deaths occurred when police acted to stop widespread looting and vandalism.
  警方采取行动制止猖狂的打砸抢行为时有多人丧生。
  
• The good news is that neither outcome has occurred.
  来自BBC
• That was just after the Tiananmen Square had occurred.
  来自VOA