解释下列加粗词的含义。
(1)惟余莽莽:_________________________
(2)大河上下:_________________________
(3)蜡象:_____________________________
(4)须晴日:___________________________
(5)分外妖娆:_________________________
(6)引无数英雄竞折腰:_________________
(7)稍逊风骚:_________________________
(8)俱往矣:___________________________
(9)犹有花枝俏:_______________________
(10)咏梅:____________________________