封闭用英语怎么说？

封闭

例句

• The government closed down the newspaper. 政府封闭了报馆。
• A test tube is closed at one end and open at the other. 试管一端封闭, 一端开口。
• The country sealed its borders to prevent the influx of illegal immigrants. 为了防止非法移民大量湧入，该国封闭了边境。
• The amphitheater was a sealed off round structure. Swordplay, wresting, gladiatoral and other contests were held there. 该竞技场为四周封闭式结构，可以举行斗剑、格斗、斗兽及其他竞赛项目。
• Billy tends to keep things to himself more and shut himself off... 比利往往更多地将事情藏在心里，把自己封闭起来。
• Windows are usually sealed off. 窗户通常是封闭的。
• The city should seal off those tunnels. 这个城市应该封闭那些隧道.
• They will have to block up the entrance to the tunnel. 他们将不得不封闭通往隧道的入口.
• The plant is operated entirely by remote control and monitored by closed circuit television or periscope. 这个工厂完全用遥控操作,而且用封闭电路电视或展望镜来监视.
• Seal up one end of a glass tube about 34 inches long. 把长约34英寸的玻璃管的一端封闭起来.