培训演讲英语简称什么

N-COUNT When someone gives a presentation, they give a formal talk, often in order to sell something or get support for a proposal. 讲座

演示 [ yǎn shì ] 生词本基本释义 详细释义[ yǎn shì ]利用实验或实物、图表把事物的发展变化过程显示出来，使人有所认识或理解。

presentation：提交；授予；颁发；出示；提出(或展示、解释等)的方式；展示会；介绍会；发布会。演讲是speech