解释下列词语 ①莽莽:___________________ ②大河上下:___________________ ③顿失滔滔:___________________ ④红装:___________________ ⑤素裹:___________________ ⑥折腰:___________________ ⑦输:___________________ ⑧天骄:___________________ ⑨俱往矣:___________________ ⑩数风流人物:___________________ |