您要查找的是不是：
- A formal discourse on a topic; an exposition. 论述，详述对一个主题正式的详谈; 阐述
- Have you decided on a topic for your speech? 你决定好演讲的主题了吗?
- A formal discourse on a topic;an exposition. 论述，详述对一个主题正式的详谈；阐述
- It's quite beyond me to speak on a spacious topic like this. 我实在讲不了这般博大广泛的题目。
- Maybe the most cogent comment on a topic which so far has generated more heat than light came from Mr Carter. 也许，对目前已经引起争论的议题最有说服力的评论是由卡特先生所作的。
- All of the files are based on a topical basis. 所有文件均基于相关话题。
- You are in the chair. You want everyone to vote on a topic. 你是会议主持人,你希望大家投票表决。
- It is impossible on Sunday,because I have to speak on a meeting. 星期日是不可能了，因为那天我得在一个会议上讲话。
- Mr. Smith is speaking on another telephone. Could you hold on a moment? 史密斯先生正在接另一个电话，您可以稍候一下吗?
- speaking on a topic 谈论某个话题
- The professor was expounding on a favorite topic. 教授正在对一个令人喜欢的话题详加陈述
- I feel unqualified to speak on the subject. 我自觉无资格就此问题发言。
- We must settle on a place to meet. 咱们得把见面的地点定下来。
- You may speak on whatever topic you like. 你可以说你喜欢的话题。
- Are you receiving me? ie Can you hear me (said to sb to whom one is speaking on a radio transmitter)? 你能收听到我的声音吗（通过无线电发报机呼叫对方）?
- Are you receiving me? (said to sb to whom one is speaking on a radio transmitter)? 你能收听到我的声音吗(通过无线电发报机呼叫对方)
- He went on a speaking tour of the United States. 他去美国作巡回演讲。
- I tell him to speak on any subject he want. 我已告诉他想谈什么就谈什么。
- I told him to speak on any subject he wanted. 我已告诉他想谈什麽就谈什麽。
- Freedie was speaking on the other end of the line. 弗雷迪正在另一头接电话。
