impenetrable

[ɪmˈpenɪtrəbl] [ɪmˈpenɪtrəbl]
  • 副词:impenetrably;
  • 名词:impenetrability;
  • 例句
    同义词
    英语四级真题
    • No system is impenetrable, and none can promise to eliminate the worst case completely.
      出自-2016年12月阅读原文
    柯林斯高阶英汉双解学习词典释义
    英汉词典释义
    英英词典释义
    • Adjective
      1. not admitting of penetration or passage into or through;
      "an impenetrable fortress""impenetrable rain forests"
      2. permitting little if any light to pass through because of denseness of matter;
      "dense smoke""heavy fog""impenetrable gloom"
      3. impossible to understand;
      "impenetrable jargon"