- (specialist)
in a way that is tightly closed so that no air can escape or enter 密封的;不透气的 a hermetically sealed container 密封的容器
- (formal, disapproving)
in a way that is closed and difficult to become a part of 封闭的;不受外界影响的 Washington should encourage the country to open up its almost hermetically closed society. 华盛顿应该鼓励这个国家开放几乎封闭的社会。