首页
汉语词典
英英词典
请输入您要查询的英文单词:
单词
emission nebula
释义
WordReference Random House Unabridged Dictionary of American English © 2024
emis
′
sion neb′ula,
[
Astron.
]
Astronomy
a bright diffuse nebula that emits light as a result of ionization of its gas atoms by ultraviolet radiation, as the Orion Nebula, planetary nebulae, and supernova remnants, as the Crab Nebula.
随便看
hawknosed
hawk owl
hawks
hawksbill turtle
hawk's-eye
hawkshaw
hawksmoor
hawkweed
hawkyns
haworth
hawse
hawsed
hawsehole
hawsepipe
hawser
hawser bend
hawser-laid
hawsing
hawthorn
hawthorne
hawthorne effect
hawthornesque
hawthorny
hay
hayakawa
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 mdict.net All Rights Reserved
更新时间:2026/6/22 18:14:57