“O star”的概念、定义、翻译、参考文献-科学参考

单词	O star
释义	O star [`ō ´stär] ^ASTRONOMY A star of spectral type O, a massive, very hot blue star with a surface temperature of at least 35,000 K (63,000°F), and a spectrum in which lines of singly ionized helium are prominent.
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