1 新近的；现代的；新式的 If something is up-to-date, it is the newest thing of its kind. 新近的；现代的；新式的
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...Germany's most up to date electric power station.
德国最先进的发电站
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...enhancing the system and bringing it up to date.
改进系统，将其更新
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This production is bang up-to-date.
这个产品是全新的。
2 掌握最新信息的 If you are up-to-date about something, you have the latest information about it. 掌握最新信息的
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We'll keep you up to date with any news.
一有新消息我们就会告诉你。
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I am very up to date on this sort of thing because I listen to the news.
我掌握了大量关于这类事的最新信息，因为我经常收听新闻。