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1. Oxford American Dictionary

   red giant

   • IPA[ˌred ˈjīənt]

   美式

   • n.
     a very large star of high luminosity and low surface temperature. Red giants are thought to be in a late stage of evolution when no hydrogen remains in the core to fuel nuclear fusion.

   • noun: red giant, plural noun: red giants

2. • 更多解釋

   red giant

   • IPA[ˌrɛd ˈdʒʌɪənt]

   英式

   • n.
     a very large star of high luminosity and low surface temperature. Red giants are thought to be ...

   Oxford Dictionary