英文含义
DDAY的全称：Commencement of Hostilities Day or Contingency Operations (usually written as D-Day) | 中文意思：───天敌对行动或应急行动的开始(通常写为D日)
DDAY的全称：Commencement of Hostilities Day or Contingency Operations (usually written as D-Day) | 中文意思：───天敌对行动或应急行动的开始(通常写为D日)