| 词汇 | lockdown |
| 释义 | lock·downBrE /ˈlɒkdaʊn/ NAmE /ˈlɑːkdaʊn/ noun [C , U ] (especiallyNAmE ) an official order to control the movement of people or vehicles because of a dangerous situation （对人或交通工具的）活动限制，行动限制◆ a three -day lockdown of American airspace 美国为期三天的领空关闭◆ Prisoners have been placed on lockdown to prevent further violence at the jail . 已对囚犯实行活动限制，以免狱中再出现暴力行为。 |
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