Level 3 · word 2,441 of 20,000
demonstration
/ˌdemənˈstreɪʃən/
American

- n. 示范
- n. 证明
- n. 示威游行
- Definition
- n. an act of showing how something works
- n. an act of proving something is true
- n. a public gathering or march to protest against something
- Example
- The teacher gave a demonstration of how the machine works.
- 老师演示了这台机器的工作原理。
Word familydemonstrat-