我的演講到此爲止用英語怎麼寫

一共花了3天來進一步深化我的演講。

I spent three days developing my presentation.

很顯然，我的演講中最枯燥的部分來了。

Obviously, I've come to the dry part of my presentation. a.

我如何做才能讓聽衆在我的演講中一直集中注意力哪。

What can I do to keep the audience’s attention through the whole of my presentation.

“嗯，”我想至少觀衆是很友好的`。 於是，我開始組織我的演講。

“Oh, well, ” I thought, “At least the people are very nice, ” and I began setting up for my speech.

我飛往匹茲堡，帶上我的筆記本電腦，在賓館房間裏練習我的演講。

I flew to Pittsburgh and took my laptop with me to practice my speech in the hotel room.