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1. Oxford Dictionary

   sac

   • IPA[sak]

   英式

   • n.
     a hollow, flexible structure resembling a bag or pouch；a cavity within an organism, enclosed by a membrane and containing air, liquid, or solid structures.

   • noun: sac, plural noun: sacs

2. • 釋義
   • 相關詞

   n.

   名詞

   • 1. a hollow, flexible structure resembling a bag or pouch a fountain pen with an ink sac
   • ▪ a cavity within an organism, enclosed by a membrane and containing air, liquid, or solid structures.
   • ▪ the distended membrane surrounding a hernia, cyst, or tumour.

   yolk sac

   • n.
     a membranous sac containing yolk attached to the embryos of reptiles and birds and the larvae ...

   Oxford American Dictionary

   air sac

   • n.
     a lung compartment containing air; an alveolus.

   Oxford American Dictionary

   air sac

   • n.
     a lung compartment containing air; an alveolus.

   Oxford Dictionary

   yolk sac

   • n.
     a membranous sac containing yolk attached to the embryos of reptiles and birds and the larvae ...

   Oxford Dictionary

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3. • 更多解釋

   sac

   • IPA[sak]

   美式

   • n.
     a hollow, flexible structure resembling a bag or pouch: a fountain pen with an ink sac

   Oxford American Dictionary

   SAC

   • IPA[sak]

   美式

   • abbr
     (in the RAF) Senior Aircraftman or Senior Aircraftwoman.

   Oxford American Dictionary

   SAC

   • IPA[sak]

   美式

   • abbr
     (in the US) Strategic Air Command.

   Oxford American Dictionary

   SAC

   • IPA[sak]

   英式

   • abbr
     (in the RAF) Senior Aircraftman or Senior Aircraftwoman.

   Oxford Dictionary

   SAC

   • IPA[sak]

   英式

   • abbr
     (in the US) Strategic Air Command.

   Oxford Dictionary