Level 3 · word 2,152 of 20,000
testing
/ˈtestɪŋ/
American
- n. 测试
- adj. 吃力的
- Definition
- n. the process of checking something to see if it works properly
- adj. difficult and requiring a lot of effort
- Example
- The lab is testing a new vaccine for safety.
- 实验室正在测试一种新疫苗的安全性。