| 释义 |
planetarium/plæniˈtɛəriəm/n. (pl. planetariums or planetaria /-riə/) 1 a domed building in which images of stars, planets, constellations, etc. are projected for public entertainment or education 天文馆，天文放映馆 2 the device used for such projection 天象仪 3 = ORRERY [modern Latin (as PLANET)] |