The topic of this speech is about action.

这次演讲的主题是关于行动的。

youdao

I am really interested with the topic of your speech. Can you enlarge on what you mentioned this afternoon?

我对您演讲的主题很感兴趣。您能详细谈谈您今天下午提到的内容吗?

youdao

The topic of the speech was "what makes one popular in high school".

演讲的主题是“什么使一个人在高中受欢迎”。

youdao

It should also please East Belfast MLA Michael Copeland, who famously delivered a filibuster speech on the topic of welfare reform, and was rumoured to have been increasingly unhappy about the prospect of the UUP backing the bill once again.

BBC: It's a love 'n hate thing for the new gang of two

As some of you probably heard, I flew down to El Paso a couple of days ago to give a speech on this topic.

WHITEHOUSE: National Hispanic Prayer Breakfast

Aside from offering the text in a valuably rich informational setting, they do something else: They keep the speech alive for days after its delivery as a topic of national discussion and reflection, and invite citizens to dig in.

FORBES: The annotated State Of The Union(s)