单词 | Altair |
释义 | Al·tair ![]() n. A very bright, variable binary star in the constellation Aquila, approximately 15.7 light years from Earth. Altair is one of the stars that make up the Summer Triangle. [Arabic (an-nasr) aṭ-ṭā'ir, the flying (eagle) : al-, the + ṭā'ir, flying, active participle of ṭāra, to fly; see ṭyr in the Appendix of Semitic roots.] |
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