- US a security measure in which those inside a building such as a prison, school, or hospital are required to remain confined in it for a time: many schools remained under lockdown yesterday
| 单词 | lockdown |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 lock•down (lok′doun′),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: lockdown /ˈlɒkˌdəʊn/ n
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