(Astronomy)a northern constellation (the Twins), said to represent the twins Castor and Pollux, whose names are given to its two brightest stars (天文)双子星座。 见 Dioscuri ■[as genitive Geminorum ˌdʒɛmɪˈnɔːrəm]used with preceding letter or numeral to designate a star in this constellation [与其前面的字母或数字连用以标记该星座中的星]双子星座的 the star Eta Geminorum. 双子座η星。
(Astrology)the third sign of the zodiac, which the sun enters about 21 May (占星)(占星术中)双子宫 ■(a Gemini)(pl. Geminis)a person born when the sun is in this sign 出生于双子宫时段的人
a series of twelve manned American orbiting spacecraft, launched in the 1960s in preparation for the Apollo programme 双子星座航天器(美国20世纪60年代为阿波罗计划做准备而发射的有人驾驶的轨道宇宙飞船)