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lockdown noun [ C or U ] uk/ˈlɒk.daʊn/ us/ˈlɑːk.daʊn/ (建筑或地区)因紧急情况而被封锁了an emergency situation in which people are not allowed to freely enter, leave, or move around in a building or area because of danger Police imposed a lockdown in the building until the shooter could be stopped. The entire city was in lockdown. 更多例句- The school has been placed on lockdown this morning while authorities investigate a bomb threat.
- When they temporarily lifted the lockdown, the gunman shot again.
- The government has closed schools, pubs, restaurants, cafes, gyms and other businesses under new lockdown measures.
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