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TOEFL BNC: 29269 COCA: 8201

nebula

noun
/ˈnebjələ/
/ˈnebjələ/
(plural nebulae
/ˈnebjəliː/
/ˈnebjəliː/
)
(astronomy天文学)
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  1. a mass of dust or gas that can be seen in the night sky, often appearing very bright; a bright area in the night sky caused by a large cloud of stars that are far away星云;外观似星云的星系Topics Spacec2
    Word Originmid 17th cent. (as a medical term): from Latin, literally ‘mist’.
TOEFL BNC: 29269 COCA: 8201
TOEFL BNC: 29269 COCA: 8201
TOEFL BNC: 29269 COCA: 8201

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