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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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solidary
solid fuel
solid geometry
solidifiability
solidifiable
solidifiableness
solidification
solidifier
solidify
solid injection
solidity
solid-looking
solidly
solidness
solid of revolution
solid propellant
solid rocket booster
solid solution
solid south
solid-state
solid-state physics
solidungulate
solidus
solifidian
solifidianism
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更新时间:2025/7/25 14:11:00