powerhouse [ˈpaʊərhaʊs]

例句:

• But Europe's economic powerhouse, Germany, is balking.
  来自VOA
• Nigeria is the most populous African country and an economic powerhouse for the continent.
  尼日利亚是非洲人口最稠密的国家，也是非洲大陆的经济强国。
  
• She is an editorial powerhouse.
  她是个效率很高的编辑.
  
• Actually blueberry is not a power food but an antioxidant powerhouse.
  实际上蓝莓不是一种供能食品,而是抗氧化发电站.
  
• The collaboration creates a powerhouse science media group.
  来自SA
• India isn't an international sporting powerhouse.
  来自WSJ