就像它們在開舞會似的，經過的蝴蝶聽到這婉轉的歌聲， just like they are having a dance.它高大無比，就像一個大雨傘，窗外的景色，there is a big tree outside my window. it is very tall，有時的時候，讓人們都分不出哪片是樹葉， the birds sing joyful songs on the trees. when the passing butterflies hear the gentle songs， like a