Level 5 · word 7,292 of 20,000
milestone
/ˈmaɪlˌstoʊn/
American

- n. 里程碑, 里程碑石
- Definition
- n. an important event or stage in the development of something, or a stone marking distance
- Example
- Turning eighteen felt like an important milestone in her life.
- 年满十八岁对她来说是人生中的一个重要里程碑。