Level 5 · word 7,524 of 20,000
prolong
/proʊˈlɔːŋ/
American
- v. 延长, 拖长
- Definition
- v. to make something last longer than usual
- Example
- Drinking water can prolong your energy during a long run.
- 长跑时喝水可以让你的体力维持得更久。