It is Allegro from Concerto Number One "Spring" from the "Four Seasons."

VOA: special.2010.03.15

But we do have four seasons. You can see it on the tree.

但是我们确实有四个季节。你可以从树上看出来。

关于伦敦的天气 - SpeakingMax英语口语达人

But we do have four seasons. You can see it on the tree.

但是我们确实有四个季节。你可以从树上看出来。

关于伦敦的天气 - SpeakingMax英语口语达人