Level 4 · word 3,903 of 20,000
valid
/ˈvælɪd/
American
- adj. 有效的, 正当的, 合理的
- Definition
- adj. legally or officially acceptable, or based on sound reasoning
- Example
- Make sure your passport is still valid before you travel.
- 出行前请确保你的护照仍然有效。