Level 2 · word 1,349 of 20,000
essential
/ɪˈsenʃəl/
American
- adj. 必要的, 重要的
- n. 要素, 必需品
- Definition
- adj. completely necessary or extremely important
- n. something that is basic or necessary
- Example
- Sleep is essential for staying healthy and focused at work.
- 睡眠对保持健康和工作专注至关重要。