• 基础释义
  • 例句
  • 六级真题
  • 柯林斯词典释义
例句
英语六级真题
    Stored underground in large salt caves in Louisiana, this stockpile is called the Strategic Petroleum Reserve, and currently contains over 600 million barrels of oil, roughly equivalent to one month's supply.
    出自-2013年6月阅读原文
    As a measure to counter future shortages, the American government decided to establish a stockpile of oil in caves underground
    出自-2013年6月阅读原文
柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    山洞;洞穴
    A cave is a large hole in the side of a cliff or hill, or one that is under the ground.
    例句
    ...a cave more than 1,000 feet deep. 1,000多英尺深的山洞