隔离 (gélí): This term refers to isolating individuals who may have been exposed to a contagious disease in order to prevent its spread.
封闭 (fēngbì): This term means closed or sealed off. It can be used to describe a closed road, a sealed container, or even someone's emotions.
限制 (xiànzhì): This term means restriction or limitation. It can refer to rules or regulations that limit certain actions or behaviors.