elementary
/ˌelɪˈmentərɪ/adjective
1- of or relating to the most rudimentary aspects of a subject基本的; 基础的, 初级的：
the six stages take students from elementary to advanced level.
这六个阶段能使学生从初级升入高级。
1.1
- of the most basic kind最基础的; 最基本的：
the elementary rights of citizenship.
公民的最基本权利。
1.2
- easily dealt with; straightforward and uncomplicated简单的, 容易的：
it's interesting work, although quite a lot of it is elementary.
这是一份有趣的工作, 尽管很多内容是简单的。
1.3
- not decomposable into elements or other primary constituents单一元素的, 非化合物的。
派生词
elementarily
adverbelementariness
noun词源
late Middle English （in the sense 'composed of the four elements, earth, air, fire, and water'）： from Latin elementarius, from elementum 'principle, rudiment' （see ELEMENT）. Current senses dates from the mid 16th cent.