肛门 l.-&ETH_&ETH_&frac12_&ETH_&deg_&ETH_&raquo_&Ntilde_&OElig_&ETH_&frac12_&Ntilde_&lsaquo_&ETH_&micro_ &ETH_&rsaquo_&ETH_&frac34_&ETH_&raquo_&ETH_&cedil_&Ntilde_&sbquo_&Ntilde_&lsaquo