Definition of protoplanetary in English:

protoplanetary

adjective ˌprəʊtə(ʊ)ˈplanɪt(ə)ri

Astronomy

1950s. From proto- + planetary, partly after Russian protoplanetnyj, and partly after protoplanet.

adjectiveˌprəʊtə(ʊ)ˈplanɪt(ə)ri

Astronomy

1950s. From proto- + planetary, partly after Russian protoplanetnyj, and partly after protoplanet.

单词	protoplanetary
释义	Definition of protoplanetary in English: protoplanetary adjective ˌprəʊtə(ʊ)ˈplanɪt(ə)ri Astronomy Of, relating to, or of the nature of a protoplanet. Origin 1950s. From proto- + planetary, partly after Russian protoplanetnyj, and partly after protoplanet. Definition of protoplanetary in US English: protoplanetary adjectiveˌprəʊtə(ʊ)ˈplanɪt(ə)ri Astronomy Of, relating to, or of the nature of a protoplanet. Origin 1950s. From proto- + planetary, partly after Russian protoplanetnyj, and partly after protoplanet.
随便看	similitudes simility similize similor simity Simi Valley Simla simla SIMM Simmental simmer simmer down simmer down simmered simmering simmerings simmers simnel simnel cake Simnel, Lambert simnels simoleon simoleons simoleonss simon