单词 | facula |
释义 | Word Frequency facula(ˈfækjʊlə) nounWord forms: plural -lae (-ˌliː) any of the bright areas on the sun's surface, usually appearing just before a sunspot and subject to the same 11-year cycle Derived forms facular (ˈfacular) adjective Word origin C18: from Latin: little torch, from fax torch |
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