supercontinent [ˈsu:pərkɑ:ntɪnənt]

例句:

• The continents then were assembled into the Supercontinent Pangaea.
  来自SA
• The supercontinent of Gondwana had just formed and was located near the South Pole.
  超大陆冈瓦那开始在南极附近形成.
  
• The formation of a supercontinent can dramatically affect the environment.
  一个超大陆的形成可以显著地影响环境。
  
• However, the definition of a supercontinent can be ambiguous.
  来自BBC
• Shallow seas flanked the margins of several continents created during the breakup of the supercontinent Pannotia.
  来自BBC