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单词 Arcturus
释义

Arcturus

/ɑːkˈtjʊərəs /
Astronomy
The fourth-brightest star in the sky, and the brightest in the constellation Boötes. It is an orange giant.

Origin

From Greek arktos 'bear' + ouros 'guardian' (because of its position in line with the tail of Ursa Major).

Rhymes

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更新时间:2026/6/3 0:48:45