telescope

这个天文台拥有一台非常强大的望远镜。

The observatory has a very powerful ___telescope.

他喜欢在晴朗的夜晚用他的望远镜观星。

He enjoys stargazing with his ___telescope on clear nights.

我们使用了一台非常强大的望远镜来观察夜空。

We used a very powerful ___telescope to observe the night sky.