Gem·i·ni /ˈʤɛmə(ˌ)ni, ˌnaɪ; ˈgɛməˌni/
  雙子星座
  Gem·i·ni n. pl.  Astron. A constellation of the zodiac, containing the two bright stars Castor and Pollux; also, the third sign of the zodiac, which the sun enters about May 20th.
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  Gemini
       n 1: (astrology) a person who is born while the sun in in Gemini
            [syn: Twin]
       2: a zodiacal constellation in the northern hemisphere between
          Taurus and Cancer on the ecliptic
       3: the third sign of the zodiac; the sun is in this sign from
          about May 21 to June 20 [syn: Gemini the Twins, Twins]