"superfluously, he added his silly comments to the discussion"
superfluousadj.多余的;过剩的;不必要的
Superfluous force多余力
superfluous piece多余的棋子
superfluous proof证明过多
superfluous signal多余信号
superfluous action多此一举
superfluous finger赘生指
superfluous injury过分的伤害
superfluous expense不必要<多余的>开支
superfluous message多余消息
superfluous subgroup多余子群