“Horsehead Nebula”的概念、定义、翻译、参考文献-科学参考

单词	Horsehead Nebula
释义	Horsehead Nebula [`hȯrs´hed `neb·yǝ·lǝ] ^ASTRONOMY A cloud of obscuring particles between the earth and a gaseous emission nebula in the constellation Orion.
随便看	direct-radiator speaker direct read after write cataclastic metamorphism cataclastic rock cataclastic structure cataclysmic variable cata-condensed polycyclic catadioptric catadromous catagelophobia Catalan forge catalase catalectrotonus catalepsy catalog cataloged procedure catalog number catalog-order device catalysis catalyst catalyst carrier catalyst selectivity catalyst stripping catalytic activity catalytically cracked gasoline

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