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1. Oxford Dictionary

   vacua

   • IPA[ˈvakjʊə]

   英式

   • plural form of vacuum
2. • 相關詞

   vacuum

   • n.
     a space entirely devoid of matter.
   • v.
     clean with a vacuum cleaner: the room needs to be vacuumed

   Oxford Dictionary

   vacuum

   • n.
     a space entirely devoid of matter.
   • v.
     clean with a vacuum cleaner: the room needs to be vacuumed

   Oxford American Dictionary

   vacuum-pack

   • v.
     seal (a product) in a pack or wrapping after any air has been removed so that the pack or ... it is quickly vacuum-packed in foil pouches to ensure freshness
   • n.
     a sealed pack from which the air has been removed.

   Oxford Dictionary

   vacuum pump

   • n.
     a pump used for creating a vacuum.

   Oxford American Dictionary

   vacuum flask

   • n.
     another term for thermos

   Oxford American Dictionary

   vacuum bottle

   • n.
     another term for thermos

   Oxford American Dictionary

   vacuum-clean

   • v.
     clean with a vacuum cleaner: vacuum-clean your carpets regularly I always did the vacuum-cleaning myself

   Oxford American Dictionary

   vacuum tube

   • n.
     a sealed glass tube containing a near-vacuum which allows the free passage of electric current.

   Oxford Dictionary

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3. • 更多解釋

   vacua

   • IPA[ˈvakyəwə]

   美式

   • plural form of vacuum

   Oxford American Dictionary