A recapitulation is the going-over of the main points — the summary itself, or the act of making it. After a long talk, the recapitulation is the short return to “here is what we said.” It is more formal than recap.

A recapitulationrecapitulation is the going-over of the main points指的是把重點再說一遍——the summary itself可以是那份摘要本身, or the act of making it也可以是做這件事的動作。After a long talk一場長談之後, the recapitulation is the short return torecapitulation就是簡短回到 "here is what we said."「我們剛剛說了這些」的那個動作。It它 is more formal than recap比recap更正式。

In music, especially in sonata form, the recapitulation is the part where the first tunes come back, often in the home key — that is still “going over the main parts again,” just inside a piece of music.

In music在音樂裡, especially in sonata form尤其是奏鳴曲式, the recapitulation is the part where the first tunes come backrecapitulation指的是最初的旋律再次出現的那個部分, often in the home key通常回到主調——that is still "going over the main parts again,"這仍然是「把主要部分再走一遍」, just inside a piece of music只是發生在一首樂曲裡面。

In older science writing you may also meet it for the idea that growth repeats the history of a species; that use is specialist and much argued over.

In older science writing在較舊的科學文獻裡 you may also meet it你也可能遇到這個字, for the idea that growth repeats the history of a species用來指「個體發育重演物種演化史」這個概念; that use is specialist and much argued over這種用法很專業，而且爭議很多。

For learners, the home meaning is the summary.

For learners對學習者來說, the home meaning is the summary最基本的意思就是「摘要」。