名詞 planetarium:

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. an apparatus or model for representing the solar systems

1. On his days off he takes them to the Museum of Natural History or the Planetarium.
   他休假的日子，就帶他們?nèi)プ匀粴v史博物館或是天文館。
2. The four-building complex will include a library, a museum, an auditorium and a planetarium.
   由四棟房屋所構(gòu)成的這座綜合建筑將包括一個圖書館、一個博物館、一個禮堂及一個天文館。
3. A building or room containing a planetarium, with seats for an audience.
   天文館，天象放映館裝設(shè)天象儀并為觀眾準(zhǔn)備椅子的建筑物或房間
4. The planetarium staff also prepared talks for radio broadcast.
   天文館的工作人員還要準(zhǔn)備講稿給電臺廣播。

plan.e.tar.i.um

n.（名詞）
【復(fù)數(shù)】 plan.e.tar.i.ums 或 plan.e.tar.i.a [-ô-…]
An apparatus or a model representing the solar system.
太陽系模型，天象模型：代表太陽系的裝置或模型

An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
天象儀：一種能將天體和其它天文學(xué)現(xiàn)象的影象投射到半球狀圓屋頂內(nèi)表面的光學(xué)設(shè)備
A building or room containing a planetarium, with seats for an audience.
天文館，天象放映館：裝設(shè)天象儀并為觀眾準(zhǔn)備椅子的建筑物或房間