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单词
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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colleagueship
collect
collectable
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collect call
collected
collected edition
collectedly
collectedness
collectible
collecting tubule
collection
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collectional
collection box
collection plate
collective
collective agreement
collective bargaining
collective behavior
collective farm
collectively
collective mark
collective noun
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更新时间:2025/12/19 8:26:16