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protostar
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pro•to•star
(prō
′
tō stär′),
USA pronunciation
n.
[
Astron.
]
Astronomy
an early stage in the evolution of a star, after the beginning of the collapse of the gas cloud from which it is formed, but before sufficient contraction has occurred to permit initiation of nuclear reactions at its core.
proto
- +
star
1945–50
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dermot macmurrough
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dern
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derogatively
derogatorily
derogatoriness
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deromanticize
derrick
derrida
derriere
derring-do
derringer
derris
derrière
derro
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dertrum
derv
dervish
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更新时间:2026/6/22 12:39:58