n.天文馆；天象仪；天体运转模型
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。
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。
He visits the deserted planetarium. 他参观空寂无人的天文馆。
