explain: implies making plain or intelligible what is not immediately obvious and clearly known: the doctor ~ed what the operation would entail.


expound: implies a careful, often elaborate or learned explanation: a professor ~ing the theory of relativity.


explicate: adds to expound the idea of a developed or detailed analysis of a topic: a passage that critics have been inspired to ~ at length.


elucidate: stresses the throwing of light upon as explanation, exposition, or illumination: a newspaper report that ~d the reason for the crime.          elucidate中的LUC是词根表第115个词根LUC/LUM，表示光，和解释中的throwing of light upon、illumination一致     "阐"的本义是开门，引申为使人明白


interpret: adds to explain the implication of the need for imagination or sympathy or special knowledge: ~s the play as an allegory about good and evil.        (allegory寓言,指用某事物表达其他事物，有时讽喻)      这个词还表示口译


explain解释: 使变得清楚易理解，expound解释: 指详细的学术性的解释，explicate解释分析: 解释并且分析，elucidate阐明: 通过解释使变得明白，interpret解释: 解释时需要想象力理解力和专门知识


记忆方法: 1) 首字母联想记忆IEEE Engineer电气电子工程师学会工程师<==解释         电气电子工程师学会Institute of Electrical and Electronics Engineers，简称IEEE，于1963年正式成立，总部位于美国纽约，是一个国际性的电子技术与信息科学工程师的协会，也是全球最大的非营利性专业技术学会   

               2) 解释的意思是使清楚易理解mean to make something clear or understandable.首字母联想记忆IEEE Engineer电气电子工程师学会工程师<==解释