???? ???? ???? ???? ???? ???? ???? ???? ??a flat floor lifted higher than the extent of the bottom or flooring, used by community speakers or performers so that the audience can see them synonym rostrum??? ?? ?????, ???????,??????????? ?? ????? ?? ??? ??? ?? ???? ????? ???? ???? ??? ????? ??? ?? ???? ??? ??????? ?? ?? ???? ?? ?? ????? ?? ???? ????