elementary
- adj. 基本的；初级的；[化学] 元素的
英英释意
- 1. easy and not involved or complicated;
- "an elementary problem in statistics"
- "elementary, my dear Watson"
- "a simple game"
- "found an uncomplicated solution to the problem"
- 2. of or being the essential or basic part;
- "an elementary need for love and nurturing"