flashpoint [ˈflæʃpɔɪnt]

例句:

• The immediate flashpoint was Wednesday's big rally in the city centre.
  星期三市中心的大集会成了直接的导火索。
  来自柯林斯例句
• It could become the next Balkan flashpoint.
  它可能成为巴尔干地区的下一个火药桶。
  
• Tension in the city is rapidly reaching flashpoint.
  这座城市处于紧张状态，大有一触即发之势。
  
• The central city has been a flashpoint of anti-government unrest.
  来自VOA
• Internet video showed crowds of protesters in several flashpoint districts.
  来自VOA
• Merkel herself has become a flashpoint for critics.
  来自WSJ