导读：词典释义：d day [ d di ] (n ) D日，即决战日，指行动的开始日期。用法：d day通常用作名词，表示行动的开始日期。也可以作为形
词典释义：
d day [ d di ]
(n.) D日，即决战日，指行动的开始日期。
用法：
d day通常用作名词，表示行动的开始日期。也可以作为形容词，表示某件重要的或决定性的时刻。
例句：
1. The invasion of Normandy was known as the d day of World War II.
诺曼底登陆被称为二战的D日。
2. The company's IPO was their d day, marking a new chapter in their business.
公司的首次公开募股是他们的D日，标志着他们业务上一个新篇章。
3. We have been preparing for this d day for months, and now it's finally here.
我们已经准备了数月之久，现在终于迎来了这个D日。
4. On d day, the troops were ready to launch their attack on enemy territory.
在D日当天，已经准备好向敌方发起进攻。
5. The team's championship game was their d day, and they were determined to win.
球队的冠赛就是他们的D日，他们下定决心要赢得胜利。
同义词及用法：
1. Day of reckoning：指最终评判或审判某人或某件事情的时刻。
例句：The election results will be our day of reckoning.
2. Turning point：指某件事情发生重大变化的时刻。
例句：The signing of the peace treaty was a turning point in the war.
3. Deadline：指某项任务或工作必须完成的最后期限。
例句：The deadline for the project is next Friday.
4. Milestone：指某件事情的重要里程碑。
例句：Graduating from college was a milestone in her life.
5. Climax：指某件事情达到高潮或顶点的时刻。
例句：The climax of the movie had everyone on the edge of their seats.
以上便是d day的词典释义及相关用法、例句和同义词。希望本文能为各位读者提供一些帮助，让大家更好地理解和运用这个词汇。此文由笔名为“小杰”的作者撰写，愿与各位共同探讨学习。