n. a building designed and equipped to observe astronomical phenomena
n. 天文台, 气象台, 了望台
1. The observatory is open to the public on weekends.
天文台在周末对公众开放。
2. We went to the observatory to see the stars through the telescope.
我们去天文台用望远镜看星星。
3. The new observatory has a large dome for better viewing of the sky.
新的天文台有一个大穹顶，以便更好地观察天空。