Level 4 · word 3,414 of 20,000
astronomer
/əˈstrɑːnəmər/
American

- n. 天文学家
- Definition
- n. a scientist who studies stars, planets, and space
- Example
- The astronomer spent the night studying stars through a huge telescope.
- 这位天文学家整夜用一架巨大的望远镜观测星星。