allegro
noun [ C ] music specialized uk/əˈleɡ.rəʊ/ us/əˈleɡ.roʊ/ allegros
（古典音乐的）快板
a piece of music that is played in a fast and energetic way
allegro
adjective, adverb music specialized uk/əˈleɡ.rəʊ/ us/əˈleɡ.roʊ/
（古典音乐的）快板的
(played) in a fast and energetic way
the allegro movement 轻快活泼的乐章