请赏析这首诗
http://zhidao.baidu.com/q?word=%C1%F8%D0%F5%B7%C9%CA%B1%B1%F0%C2%E5%D1%F4%2C%C3%B7%BB%A8%B7%A2%BA%F3%B5%BD%C8%FD%CF%E6%A1%A3+%CA%C0%C7%E9%D2%D1%D6%F0%B8%A1%D4%C6%C9%A2%2C%C0%EB%BA%DE%BF%D5%CB%E6%BD%AD%CB%AE%B3%A4%A1%A3&ct=17&pn=0&tn=ikaslist&rn=10