Level 3 · word 2,776 of 20,000
voluntary
/ˈvɑːlənˌteri/
American
- adj. 自愿的, 志愿的
- Definition
- adj. done or given willingly, without being forced or paid
- Example
- Joining the cleanup event is completely voluntary.
- 参加这次清理活动完全是自愿的。