She gave an interesting talk on her visit to China.

她做了个关于她在中国访问的有趣报告。

《牛津词典》

One of the scheduled events is a talk on alternative medicine.

安排的活动中有一项是关于替代疗法的讲座。

《牛津词典》

She gave a talk on her visit to China.

她作了一次访华报告。

《牛津词典》

After their talk on the sidelines of the U.N. General Assembly meeting in New York, Mr.Obama said the United States and Japan have a major role in working with other countries toward economic recovery.

VOA: standard.2009.09.23

As much as I might talk on stage twice a week it turns out that it's really by doing and really by diving in and getting your hands dirty that you really take away the course's lessons.

我一周上两次课,就算说得再多，也不如你们亲自动手,通过真正的深入研究,才能学到知识。

哈佛公开课 - 计算机科学课程节选

um, in one language and then go to another language you have to talk on the level of a child.

再转换到另一门陌生的语言将是十分困难的，他的表达可能变得像儿童一样磕磕巴巴。

想学好英语吗？ - SpeakingMax英语口语达人

Here is my TED talk on using innovation and entrepreneurship to solve grand challenges.

FORBES: Rethinking Education: Why Our Education System Is Ripe For Disruption

We hear a lot of talk on Capitol Hill, rightly so, about helping small business.

WHITEHOUSE: Press Briefing

So if you must talk on your phone, have a heart and go outside.

FORBES: Science Proves That Cell Phones Are Annoying and Distracting