阐述的英文：
expound a position
elaborate on a topic

参考例句：

Topical sentence
阐述一段主题的句子

She has held forth her views in her essay
她在她的文章中阐述了自己的看法。

His theory of justice was elaborate and forms a cornerstone of his philosophical edifice.
他详尽阐述的正义理论形成了其哲学体系的基石。

In this article the folk custom of Kazak is introduced through two aspects :idiom and culinary tradition.
本文从哈萨克成语和饮食习惯两方面阐述了哈萨克民俗风情。

To exemplify what I mean, let us look at C.Bronte's Jane Eyre.
举个例子来阐述我的观点，请看勃朗特的《简爱》。

The candidate expounded his views on foreign policy.
候选人详尽地阐述了他有关外交政策的看法。

A normative grammar of a language describes how its author thinks the language shall be spoken or written.
规范语法阐述的是该派语法学家认为的某语言的口语或书面语的标准形式。

Reading makes a full man, meditation a profound man, discourse a clear man.
博览群书使人完美无瑕，冥思苦想让人深刻精邃，论证阐述让人头脑清晰。

His deep knowledge of the historical background enabled him to expatiate upon the significance of the movement
他对于历史背景的深刻了解使他能够详细阐述这场运动的意义。

The basic point at last is driven solidly home in a 56-page booklet
终于在一本56页的小册子中对这个基本论点作了精辟的阐述。

expound是什么意思：
v. 解释，详细说明

The teacher expounded a profound truth in common language.
老师用通俗的语言说明深刻的道理。

Never has a text been expounded with more complexity.
从来没有人能把一段经文讲解得这么玄妙深奥。

The speaker has an hour to expound his views to the public.
讲演者有1小时时间向公众阐明他的观点。

position是什么意思：
n. 位置，方位；姿势；职位，工作；状态；态度
v. 安置；把…放在适当位置；给…定位

Moon is a positive.
月球是个实在的事物。

It is the positive of the battery.
这是电池的阳极

accessible position
可到达的位置

elaborate是什么意思：
adj. 复杂的，详尽的；精心制作的，精巧的
v. 精心制作；详尽阐述

elaborate a scheme
精心拟订一项计划

preliminary drawing for later elaboration.
先大体绘制出来，过后再进行精心制作。

They made elaborate costumes for the play.
他们为这出戏精心制作戏装。