speech
单词辨析：
普通用词，指在正式或普通场合所作的发言或讲话，可以是事先准备的，也可以是即席的。
The professor will give a speech at the meeting.
教授将在会上发言。
She is going to make a speech this afternoon.
她今天下午要作演讲。
His keynote speech won the applause of the audience.
他的主题演讲赢得了听众的掌声。
较正式用词，指在庄严场合所作的正式演说或精心准备的演讲，常后接介词 to。
His inspiring address was broadcast last night.
昨晚广播了他令人鼓舞的讲话。
The President gave a television address yesterday.
总统昨天作了电视讲话。
The general delivered an address to the European people.
这位将军向欧洲民众发表了演讲。
尤指大学中的演讲、讲座、讲课，强调学术性，常后接介词 on/about。
The professor's lecture excited our interest.
那位教授的讲课引起了我们的兴趣。
The lecture will be made in the hall.
讲演将在大厅举行。
He is giving a lecture on Greek myths.
他正在作有关希腊神话的讲座。
通常指下级向上级、主管向上级机关所作的书面或口头报告，或指对某一课题的研究报告。
The director asked me to shorten the report to one page.
主管要我把报告缩为一页。
It is a report on the current international situation.
这是一个有关当前国际形势的报告。
The question is discussed at large in his report.
他在报告中对该问题作了详细的探讨。
普通用词，指关于某一特定话题的演讲或讲座，常后接介词 on/about。
an inspiring talk
鼓舞人心的演讲
Many professors attended the talk on local history.
很多教授出席了那次有关当地历史的讲座。
He will give a talk on developments in computer software.
他将作一个关于计算机软件发展的报告。
普通用词，常指某一国家或地区的语言或文字，也可指某种类型的语言。
literary/poetic language
文学/诗歌语言
legal/medical language
法律/医学术语
Chinese is my native language.
汉语是我的母语。
What languages can you speak?
你会说什么语言？
尤指外语。
I'd like to visit Germany, but I don't speak the lingo.
我想去德国游览，但我不会说德语。
If you live abroad, it helps to know the local lingo.
住在国外，学一点当地的语言自有好处。
指口语或正式的讲话，作后者解时常后接介词 on/about。
Most people have a smaller vocabulary in speech than in writing.
多数人口语的词汇量比书面语少。
She gave the keynote speech.
她作了主题发言。
指某种语言或方言。
French is her mother tongue.
法语是她的母语。
Those articles were written in tongues that I could not read.
那些文章是用我看不懂的方言写的。
相关例句：
The whole tone of President Suharto's speech was one of continuity and stability.
苏哈托总统演讲的整个基调是强调连续性与稳定性。
The Prime Minister made a stirring speech
首相发表了一篇鼓舞人心的演讲。
There was no bombast or conceit in his speech.
他的演讲并没有夸大其词和自吹自擂。
He would be setting out his plans for the party in a keynote speech
他将在其主旨发言中阐述他对该党的计划。
Addressing the chairman, he began his speech.
他向主席致意后开始了他的演说。
He received a cool reception to his speech.
他的演讲受到了冷遇。