planetarium

名词 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，就带他们去自然历史博物馆或是天文馆。
2. The four-building complex will include a library, a museum, an auditorium and a planetarium.
   由四栋房屋所构成的这座综合建筑将包括一个图书馆、一个博物馆、一个礼堂及一个天文馆。
3. A building or room containing a planetarium, with seats for an audience.
   天文馆，天象放映馆装设天象仪并为观众准备椅子的建筑物或房间
4. The planetarium staff also prepared talks for radio broadcast.
   天文馆的工作人员还要准备讲稿给电台广播。

plan.e.tar.i.um

n.（名词）
【复数】 plan.e.tar.i.ums 或 plan.e.tar.i.a [-ô-…]
An apparatus or a model representing the solar system.
太阳系模型，天象模型：代表太阳系的装置或模型

An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.
天象仪：一种能将天体和其它天文学现象的影象投射到半球状圆屋顶内表面的光学设备
A building or room containing a planetarium, with seats for an audience.
天文馆，天象放映馆：装设天象仪并为观众准备椅子的建筑物或房间