Sets the mood. For example, if a serious subject was presented by the previous speaker, the introduction can prepare the audience for a more light-hearted speech to follow.
比如说，上一位出席发言者的主题是严肃的，那么这份介绍将让观众做好准备，去听接下来较轻松的演说。
A body. It explains why the subject was chosen, why the speaker is qualified to address it, why it is appropriate for this audience and why this time is appropriate to discuss it.
它须能解释该发言人为什么选择这个主题，他具备什么样的资格在此发言，为什么适合受众，为什么适合在此时讨论。
The introduction should give at least four pieces of information: what is the topic, why this subject, who is speaking, and why this speaker.
介绍词应至少包含四方面的信息：主题是什么；为何选这一主题；主讲人是谁；为何由他主讲。
The speaker skipped from one subject to another.
演讲者由一主题跳到另一主题。
An average English speaker knows 50, 000 words, Mitchell says, so the model could in theory be used to select any word a subject chooses to think of.
“一般说英语的人认识50000个单词”，米切尔说道，“所以该模型在理论上可以找到任何一个大脑所想的单词”。
The speaker had only a superficial knowledge of the subject.
这演说者对主题只有肤浅的知识。
The speaker kept skipping from one subject to another.
演讲者老是从一个题目跳到另一个题目。
He is also a regular speaker at technology conferences on the subject of phone fraud.
他还经常在科技大会上就电话欺诈主题发言。
The other speaker can change the subject to show that this is a taboo subject.
对方可能会改变话题，以表示这个话题是个禁忌。
I wish the speaker will confine himself to the subject.
我希望演讲者不要离题。
He's an interesting speaker, and, what is more important, he knows his subject thoroughly.
他讲话生动有趣，更重要的是，他对课题了如指掌。
She was recently given the honour of being a keynote speaker at the CAA's annual conference on the subject of female artists and their present circumstances in China.
她最近作为主讲人，被特邀在美国大学艺术学会年会上演讲关于女性艺术家的主题以及女性艺术家在中国的境况。
On the subject of hourly or capped rate arrangements, one Ukrainian speaker quoted "Parkinson's Law", which states that work generally expands to fill the time available.
一位来自乌克兰的发言人引用了“帕金森定律”，该定律表明，工作常常会占用计划之外的时间。
I wish the speaker would confine himself to the subject.
我希望演说者不要离题。
The speaker kept skipping from one subject to another.
演讲者总是从一个题目跳到另一个题目。
I with the speaker would confine himself to the subject.
我希望演说者不要离题。
This paper, which compares the negative adverbial words of Bu with Mei You, points out that Bu shows the positive denial of the subject or the subjective denial of the speaker;
本文对否定副词“不”、“没（有）”进行比较，指出“不”是表示句中主语的主动否定或说话者的主观否定；“
The third chapter explains the dramatization of subject from the relationship between poet and words speaker.
第三章从诗人和文本言说者的关系，阐析“主体的戏剧化”。
The most common bad habit we have is to start thinking of what we are going to say about the subject long before the other speaker has finished.
我们最常见的坏习惯就是在讲话者远还没有结束的时候就开始思考我们将对这个话题说些什么。
The speaker talked a lot, but never really got to grips with the subject.
那位演讲者讲了许多，但始终没有真正抓住题目。
The speaker handled his subject concisely.
演讲者对主题作了简要的论述。
The subjects involve at least three levels consisting of value owner, information provider and subject-speaker.
主体至少可包含价值主体、信源主体和说话人主体三个层次。
If you're going to talk about this subject with a native-English speaker, here are some words you'll want to know.
如果你要和外国人谈论这个话题，下面的这些词要事先知道哦。
The speaker didn't treat the subject thoroughly at the meeting.
演讲人在会上没有详细谈这个问题。
The speaker talked a lot but never really came to grips with the subject.
那位演说者讲了许多，但始终没有真正涉及主题。
The speaker quickly warmed to her subject.
演讲者立刻对她的题目产生兴趣。
The speaker quickly warmed to her subject.
演讲者立刻对她的题目产生兴趣。
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