| 单词 | Alpha Centauri |
| 释义 | Alpha Centauri [¦al·fǝ sen`tȯ·rē] ASTRONOMY A double star, the brightest in the constellation Centaurus; apart from the sun, it is the nearest bright star to earth, about 4.3 light-years away; spectral classification G2. Also known as Rigil Kent. |
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