lockdown是一个由lock（锁定）和down（向下）两个单词组合而成的复合词，它的意思是“封锁”、“关闭”或“隔离”。它可以用作动词，也可以用作名词。在近年来，由于的影响，这个词变得越来越常见。
怎么读（音标）
[ˈlɒkdaʊn]
用法
作为动词，lockdown通常用来指对某个地区、建筑物或者人群进行封锁、关闭或者隔离。它可以表示对某个地区实施严格的管制措施，也可以表示学校或者企业对自身进行防护措施。，“The government has decided to lockdown the entire city due to the rapid spread of the virus.”（决定因病毒迅速传播而封锁整个城市。）另外，它也可以表示对某人或者某物进行限制或者。，“The prisoners were put into lockdown after a riot broke out.”（囚犯们在骚乱发生后被关进了监狱。）
作为名词，lockdown通常指对某个地区实施的严格管制措施。，“The lockdown has been extended for another two weeks.”（封锁措施已经延长了两周。）另外，它也可以指某人或者某物被限制在某个地方或者被的状态。，“The inmates have been in lockdown for three days now.”（囚犯们已经被了三天。）
例句1-5句且中英对照
1. The government has declared a nationwide lockdown to control the spread of the virus. （宣布全国范围内实施封锁措施以病毒传播。）
2. The school has been on lockdown since a student tested positive for COVID-19. （学校自从有一名学生被确诊为病毒阳性后就一直处于封锁状态。）
3. During the lockdown, people are only allowed to leave their homes for essential activities such as buying groceries or seeking medical help. （在封锁期间，人们只能出门进行必要的活动，比如买菜或者求医。）
4. The company has been put into lockdown after one of its employees was found to have come into contact with a confirmed case of COVID-19. （公司因为有一名员工与肺炎确诊患者接触过而被封锁。）
5. The prisoners were put under strict lockdown after an attempted escape was discovered by the guards. （囚犯们因为护卫了一次越狱企图而被严格封锁。）
同义词及用法
1. Quarantine（隔离）- 与lockdown类似，指对人或者物的隔离措施，但通常更多指针对个人或者小范围的隔离。
例句：The individuals who have been in close contact with the infected person are now in quarantine. （与感染者有过密切接触的个人现在正在接受隔离。）
2. Curfew（宵禁）- 指规定的晚上一定时间内不允许出门的限制措施。
例句：The city has imposed a curfew from 10 pm to 5 am to prevent the spread of the virus. （为了防止病毒传播，这座城市已经实行了从晚上10点到早上5点的宵禁。）
3. Shutdown（关闭）- 指停止运营或者关闭某个地方、建筑物或者设备。
例句：Due to the lack of customers, the restaurant was forced to shutdown temporarily. （由于缺乏顾客，这家餐厅被迫暂时关闭。）
4. Isolation（孤立）- 指将某人或者某物与外界隔绝开来。
例句：The patient is in isolation to prevent the spread of the virus to others. （为了防止病毒传播给他人，这名患者正在被隔离。）
编辑总结
lockdown是近年来因为而变得越来越常见的一个词汇，它的意思是“封锁”、“关闭”或“隔离”。它可以用作动词或者名词，表示对某个地区、建筑物或者人群进行封锁、关闭或者隔离的措施。在期间，lockdown成为应对的重要手段之一。除了指相关的管制措施外，它也可以指对某人或者某物进行限制或者的状态。与lockdown类似的词还有quarantine、curfew、shutdown和isolation等。