诗歌赏析。                                               
十五夜望月　　唐·王建
中庭地白树栖鸦，冷露无声湿桂花。今夜月明人尽望，不知秋思落谁家？
请简要分析“树栖鸦”三字。                                           
____________________________________________________________________________
_____________________________________________
“不知秋思落谁家”中的 “落”字有何妙处？                          
____________________________________________________________________________
____________________________________________________________________________
__________________________________