例句
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. having no weak points;
    "an airtight defense""an airtight argument"
    2. not allowing air or gas to pass in or out
行业词典
  • 航海科技: 气密;