| 单词 | lockdown |
| 释义 | lockdown From Longman Dictionary of Contemporary Englishlockdownlock·down /ˈlɒkdaʊn $ ˈlɑːk-/ noun [countable, uncountable]1 a time when prisoners are not allowed out of their rooms, usually after there has been violence in the prison2 a time when all the doors in a building are locked in order to protect the people inside from dangerThe school went into lockdown after the shooting. |
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