You can say that you are going to recapitulate the main points of an explanation, argument, or description when you want to draw attention to the fact that you are going to repeat the most important points as a summary.
例句
Let's just recapitulate the essential points...我們再來回顧一下要點。It will shortly be put up for sale under the terms already communicated to you, which, to recapitulate, call for a very minimum of publicity.不久它就可以上市，按照我們與你商定的條款進行銷售，重申一遍，這些條款盡量不要對外公開。
英漢詞典釋義
vt.
總結,扼要重述
Let’s recapitulate the main ideas.讓我們來概括一下要點。
英英詞典釋義
Verb
1. summarize briefly;
"Let's recapitulate the main ideas"
2. repeat stages of evolutionary development during the embryonic phase of life