hermetically sealed technicalvery tightly closed so that air cannot get in or out 密封的SYN airtight
Examples from the Corpus
hermetically sealed• The would-beisland, now with hermetically sealedborders and excluding all but a few tourists, is full of noises.• Space and time can not be regarded as hermetically sealeddomains.• Insiders are hermetically sealed from the intrusion of outsiders by the assumption of zerolabourturnover.• Racism is the product of impenetrable or hermetically sealed minds.• I think we need to be theoretically and politically clear that no single culture is hermetically sealed off from others.• The two approaches, therefore, are not hermetically sealedunits, impenetrable to each other.• Each is a hermetically sealeduniverse, bumping off the others with very little cross-pollination.