astronomer

The astronomer adjusted her telescope beneath the clear night sky. ▶

那位天文学家在晴朗的夜空下调整了望远镜。

Astronomers use powerful telescopes to investigate distant galaxies and improve our understanding of how the universe developed.

天文学家利用高性能望远镜研究遥远的星系，加深我们对宇宙演化过程的理解。