| 单词 | o star |
| 释义 | O star[ oh -stahr ] / ˈoʊ ˌstɑr / nouna very hot, massive, blue star of spectral type O, having a surface temperature between 30,000 and 50,000 K and an absorption spectrum with few lines, though the Balmer series of hydrogen lines is present and lines of ionized helium are detectable. Compare spectral type. Words nearby O starosso bucco, ossobuco, ossuarium, ossuary, OST, O star, oste-, osteal, ostealgia, ostectomy, osteichthyan Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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