hermetically sealed
adjective
uk/hɜːˌmet.ɪ.kəl.i ˈsiːld/us/hɚˌmet̬.ɪ.kəl.i ˈsiːld/engineeringspecialized
A hermetically sealedcontainerorspaceis sotightlyclosedthat noaircanleaveorenterit.
不透气的，密封的disapproving
separatedandprotectedfrom very differentconditionsoutside, in anunnaturalway:
（不自然地）与外界隔开的Wedrovepast arowofsqualidshackson the way toourhotel, where wesleptinair-conditioned, hermetically sealedrooms.我们开车驶过一排肮脏的棚屋，回到我们下榻的宾馆，在开着空调、完全封闭的房间里上床就寝。
Open and closed
- airtight
- ajar
- barred
- closed
- crack
- gaping
- hour
- latch
- off-hours
- open
- out of hoursidiom
- outspread
- sealed
- shut
- to
- unbarricaded
- undone
- unopened
- wide-eyed
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Separateness and isolation in space