不知何时,窗外响起了一串串悦耳的音乐,那音乐令人沉醉,这一定是那一群活泼的鸟儿,正在抒发自己的快乐。窗外那一群自由自在的鸟儿,在湛蓝的天空上快乐地飞翔,一群群的,排成了一块整齐的方阵,向我们倾诉。它们是蓝天的主人,自由的天使。忽然,它们又斜斜地飞了下来,飞到了树林里。树枝上晃动着一个个小小的脑袋,黑黑的身影总是到处乱窜,有的窜到了最高的枝头,欢快地 I do not know when the window sounded a string of melodious music, that music is intoxicated, it must be a group of lively birds, are expressing their own happiness. A group of free birds outside the window, flying happily in the blue sky, a group of groups, arranged in a neat square, talk to us. They are masters of the blue sky, free angels. Suddenly, they flew diagonally and flew to the woods. Rocks on the branches one by one little head, black figure always scurrying everywhere, some went to the highest branches, merrily