英语词汇“proto-earth”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

proto-Earth n.

Brit.

/ˌprəʊtəʊˈəːθ/

U.S.

/ˌproʊdoʊˈərθ/

Astronomy the earth at an early stage of its development.

ΘΚΠ

the world > the universe > planet > primary planet > earth > [noun] > earliest form of

proto-Earth1950

1950 Science 20 Oct. 452/2 Proto-Earth appears to have been about 1,200 times the Earth mass; proto-Jupiter about 12 times Jupiter.

1969 Times 18 July 6/4 The proto-earth may have swept up from the dust cloud much more silicate material than it now possesses.

1992 S. P. Maran Astron. & Astrophysics Encycl. 606/2 Pierre Simon de Laplace proposed that the Moon condensed from a ring spun off from a rotating gaseous proto-Earth.

单词	proto-earth
释义	> as lemmas proto-Earth proto-Earth n. Brit. /ˌprəʊtəʊˈəːθ/ , U.S. /ˌproʊdoʊˈərθ/ Astronomy the earth at an early stage of its development. ΘΚΠ the world > the universe > planet > primary planet > earth > [noun] > earliest form of proto-Earth1950 1950 Science 20 Oct. 452/2 Proto-Earth appears to have been about 1,200 times the Earth mass; proto-Jupiter about 12 times Jupiter. 1969 Times 18 July 6/4 The proto-earth may have swept up from the dust cloud much more silicate material than it now possesses. 1992 S. P. Maran Astron. & Astrophysics Encycl. 606/2 Pierre Simon de Laplace proposed that the Moon condensed from a ring spun off from a rotating gaseous proto-Earth. extracted from proto-comb. form < as lemmas
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