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单词
emission nebula
释义
emission nebula
n.
(名词)
A nebula that absorbs ultraviolet radiation from stars and reemits it as visible light.
发射星云:吸收星体的紫外线辐射并且转变成可见光放射出来的星云
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hadj
hadji
hadji
Hadley
hadn't
Hadrian
Hadrian's Wall
hadron
hadrons
hadrosaur
hadrosaurs
hadst
hadst
hae
hae
Haeckel
Haeckel's law
haed
haem
haem-
haem-
haemat-
haemat-
haemato-
haemato-
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更新时间:2026/10/12 0:31:52