This type of speech is often called an impromptu speech.

“现场站立思考”是指能够快速组织自己的观点，不要提前准备便能针对某个主题发表演讲，这种类型的演讲常常被称为即席演讲。

You will have one minute to prepare your impromptu speech.

你将会有一分钟准备你的即席演讲。

It usually takes me more than three weeks to prepare a good impromptu speech.

我通常要花上三个星期来准备一场即兴演讲。

It usually take me more than three weeks to prepare a good impromptu speech.

为了准备一则即席的好讲辞，我通常要三个星期以上。

In the third part, the contestant also has 1-2 minutes to make a impromptu speech.

在第三部分里，选手有1-2分钟的即兴演讲时间。