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- 半人马座A内的星系The Galaxy Within Centaurus A
- 除了太阳之外,半人马座a星离地球最近。The star, Alpha Centauri is the closest star besides our sun.
- 现在同意人马座A是银河系中心超大质量黑洞位置的最有可能的候选者。Sagittarius A is now agreed to be the most plausible candidate for the location of a supermassive black hole at the center of the Milky Way galaxy.
- 人马座A源Sagittarius A
- 座to sit
- 天鹅座A源Cygnus A source
- 白羊座Aries
- 外源exogenous dna
- 射手座sagittarius
- 同源性homology
- 不仅A而且not merely A but also B
- 水瓶座aquarius
- 源氏物语Genshi Monogatali
- 与其说A不如说not so much A as B
- 始源origin
- 双鱼座piscis
- A股A-share
- 摩羯座Capricornus
- 处女座virgo
- 把A误以为take A for B