late 14c., "having the nature of one of the four elements," from Middle French elementaire and directly from Latin elementarius "belonging to the elements or rudiments," from elementum (see element). Meaning "rudimentary, involving first principles" is from 1540s; meaning "simple" is from 1620s. In elementary school (1841) it has the "rudimentary" sense.
实用例句
1. He expressed the hope that on Monday elementary schools would be reopened.
他表示希望各小学星期一能复课。
来自柯林斯例句
2. A proton is an elementary particle of matter.
质子是物质的基本粒子。
来自柯林斯例句
3. an elementary English course
基础英语课程
来自《权威词典》
4. a predominance of female teachers in elementary schools
小学里女教师居多的现象
来自《权威词典》
5. Their course of study includes elementary hygiene and medical theory.
