doomsday

中文： 末日、世界末日

1. The day when God is expected to judge the world; the end times. (countable, uncountable)
2. Judgement day; the day of the Final Judgment; any day of decisive judgement or final dissolution. (countable, uncountable)
3. Any day of great death and destruction; end of the world; an apocalypse. (countable, uncountable)
4. Any of the memorable dates used in the doomsday rule for computing weekdays from dates. (countable, uncountable)

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