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planetarium [plænə'tɛəriəm]    添加到生词本 复制网址
基本释义
  • n. 行星仪,天文
词形变化
  • 复　数：plan·e·tar·i·ums or plan·e·tar·i·a
英英解释

  • 　3个名词解释

    1. a building housing an instrument for projecting the positions of the planets onto a domed ceiling
    2. an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
      3. show all ... ( 3 )