演讲的结尾部分非常鼓舞人心。

The ___conclusion of the speech was very inspiring.

经过多次实验后，我们得出了结论：这种方法是有效的。

After several experiments, we reached the ___conclusion that this method works.

在报告的结尾部分，他简要总结了所有要点。

In the ___conclusion of the report, he briefly summarized all the key points.