词典释义：
释义
〈非正式〉肯定死了的。
no longer effective, valid, or interesting
失效的，无效的；不再有趣的
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the campaign was as dead as a dodo .这场战役已经了无生机。
双语例句
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Fashion experts say that long shirts are as dead as a dodo this year.
时尚专家说，今年长裙子不时兴了。
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That strange plan of yours is now as dead as a dodo; nobody is interested in it any more.
你那项奇怪的计划现在已经没有指望了，谁都对它不再感兴趣了。
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He belongs to a world that seems to us now as dead as the dodo.
在我们看来，他是一个落后于时代的人。