hermetic
🇺🇸
/hɜːrˈmetɪk/
🇬🇧
/hɜːˈmetɪk/
adjective
R
Completely sealed so no air or anything else can get in or out.
The container was hermetic, keeping the precious contents safe.
这个容器是密封的，保护了珍贵的内容物安全。
R
Very private and not open to outsiders.
She lived in a hermetic community, rarely interacting with the outside world.
她生活在一个与外界隔绝的社区，很少与外界交流。
translation
完全密封的, 与外界隔绝的