讲解的英文：
explain

I scarf down my breakfast/lunch as a flack from the Nature Conservancy explains how everything works.
在自然保护协会播放大会宣传片讲解我们要做些什么的时候，我一道把我的早午饭都吃了。

Could you go over the explanation once more, please?
请你再讲解一遍好吗?

an exhaustive lecture on a certain subject
关于某一课题的详尽讲解

Talk is cheep. But it can save priceless lives.
讲解是廉价的，但可以拯救无价的生命。

The professor pointed at the diagram to illustrate his argument.
教授指着图表，讲解他的论点。

To infuse knowledge of or skill in by repetitious instruction.
经反复讲解传授知识或技术.

The teacher illustrated the history lesson with pictures of castles.
教师利用城堡图画讲解历史课。

Professor Smith gave a clear explanation of the experiment.
史密斯教授对这次实验做了清晰的讲解。

The teacher illustrated his lesson with pictures.
这位教师用图片来讲解课文。

The overseer was explaining the job to young trainees
监工向年轻的实习工讲解工作情况

explain puzzles
解释难题

Explain the advantages and disadvantages of globalization.
解释全球化的优缺点。

Rita and Frank explain all...
丽塔和弗拉克说出了一切……

I cannot explain why.
我说不出理由。

The theorem may be explained as follows.
这条原理可以这样来阐述。