浅说的英文：
elementary introduction

elementary是什么意思：
adj. 初级的；基本的；简单的

elementary subdivision
初等重分

The cyclotron frequency can also be derived by an elementary argument
回转频率也可以通过浅显的论证导出来。

Will it is better to send them to a private elementary school?
是不是送他们到私立小学比较好?

A metering tank is an elementary method of measuring volume flow.
量筒是测定容积流量的基本方法之一。

"elementary, secondary and higher education"
初等、中等和高等教育

introduction是什么意思：
n. 介绍；引进；采用；序言；入门；序曲

This is an Introduction to Biochemistry.
这是本《生物化学入门》书。

Listen to the introduction!
快听这首序曲！

This is a descriptive, not an evaluative introduction.
这是一份描述性的，而不是评量性的介绍。

This is an introduction to the theoretical and technical issues of translation.
本课程介绍翻译的入门知识。

The fox is a relatively recent introduction in that country.
狐狸是新近引入那个国家的物种。