柯林斯詞典observatory /?b?z??v?t?r?/ (observatories) 1. N-COUNT An observatory is a building with a large telescope from which scientists study things such as the planets by watching them. 天文臺(tái) 返回 observatory劍橋詞典a building from which scientists can watch the planets , the stars , the weather , etc. 天文臺(tái)；氣象臺(tái) 返回 observatory