请输入您要查询的英文单词:
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
随便看
tunic flower
tunicle
tuning
tuning fork
tuning pipe
tunis
tunisia
tunisian
t-unit
tunja
tunka
tunker
tunnage
tunnel
tunnel diode
tunnel disease
tunnel effect
tunneler
tunneller
tunnellike
tunnel of love
tunnel vault
tunnel vision
tunnel-visioned
tunney
英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/7/23 10:19:49