外语高手救命啊,碰到妖怪了!

翻译：
《十二超技练习曲(Die Douze Etudes d'Execution Transcendante)》是一组钢琴独奏曲。
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There are three versions of what is today widely known as the "twelve transcendental etudes". Liszt composed the first version in 1826. In this incarnation it consisted of relatively simple exercises which clearly bear the stamp of his teacher Czerny. The second version, from 1837 reused (almost) all of these pieces. However, they were considerably revised, bringing to light the potential of the previous exercises through an enormous increase of difficulty level - reaching the limit for the pianistically possible. In the third version from 1851, Liszt moderated the technical demands somewhat. Additionally, he provided most of the etudes with titles, and also to some extent adjusted the musical content to fit these titles (such as in the case of the fourth etude - Mazeppa). The two last etudes of the 1851 set