lockdown
🇬🇧/ˈlɒkdaʊn/ 🇺🇸/ˈlɑːkdaʊn/ 33a 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 防范禁闭(期)
noun [具体名词]（活动或行动）限制；<美>（尤指在监狱暴动期间对囚犯的）防范禁闭
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。
单词造句:
- 网友用“Lockdown”造句精选
- many schools remained under lockdown yesterday
- The lockdown affected 16 million people across the country. 封锁影响了全国1600万人。
- Before the lockdown, my family went to my parents' hometown in Caidian, a suburb of Wuhan. 在封城之前，我们一家去了我父母在武汉郊区蔡甸的老家。