单词 | protoplanetary |
释义 | protoplanetary/ˌprəʊtə(ʊ)ˈplanɪt(ə)ri/Astronomy adjective Of, relating to, or of the nature of a protoplanet. Origin1950s. From proto- + planetary, partly after Russian protoplanetnyj, and partly after protoplanet. |
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