Yahoo奇摩字典 網頁搜尋

搜尋結果

1. Oxford American Dictionary

   protoplanet

   • IPA[ˈprōdōˌplanət]

   美式

   • n.
     a large body of matter in orbit around the sun or a star and thought to be developing into a planet

   • noun: protoplanet, plural noun: protoplanets

2. • 釋義

   n.

   名詞

   • 1. a large body of matter in orbit around the sun or a star and thought to be developing into a planet this analysis supported the view that the moon originated from a glancing collision between the earth and another protoplanet 4,500 million years ago
3. • 更多解釋

   protoplanet

   • IPA[ˈprəʊtə(ʊ)ˌplanɪt]

   英式

   • n.
     a large body of matter in orbit around the sun or a star and thought to be developing into a planet: this analysis supported the view that the moon originated from a glancing collision between the earth and another protoplanet 4,500 million years ago

   Oxford Dictionary