hermetic

剑桥词典

engineering   specialized
(of a container ) so tightly closed that no air can leave or enter
（容器）密封的，不透气的
a hermetic seal 密封垫
formal
If a particular group is hermetic, the people who live within it don't often communicate with those who live outside it.
（人群）与世隔绝的，不与外界往来的
He entered the hermetic world of the monastery at a young age . 他很年轻时就进了与世隔绝的修道院。 返回 hermetic