planetarium [plænə'tɛəriəm]
参考词典中planetarium的常规释义：
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
- a building housing an instrument for projecting the positions of the planets onto a domed ceiling
- an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome show all ... ( 3 )
- an apparatus or model for representing the solar systems
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