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1. Oxford Dictionary

   asteroid

   • IPA[ˈast(ə)rɔɪd]

   英式

   • n.
     a small rocky body orbiting the sun. Large numbers of these, ranging enormously in size, are found between the orbits of Mars and Jupiter, though some have more eccentric orbits.；an echinoderm of the class Asteroidea, which comprises the starfishes.
   • adj.
     relating to or denoting echinoderms of the class Asteroidea.

   • noun: asteroid, plural noun: asteroids

2. • 釋義

   n.

   名詞

   • 1. a small rocky body orbiting the sun. Large numbers of these, ranging enormously in size, are found between the orbits of Mars and Jupiter, though some have more eccentric orbits.
   • 2. an echinoderm of the class Asteroidea, which comprises the starfishes.

   adj.

   形容詞

   • 1. relating to or denoting echinoderms of the class Asteroidea.