?消去
... 除去,消去法(数学) elimination 消去 ausloeschung cancellation; deadening; delete; eliminate; eliminating; elimination elimination; erasion; erasure; expunction; expurgation; kill; kuerzen cancel; removal; remove; wipe 除去 detach; eliminate; remove; work off 除去杂草 weed out weeds; 除去上衣上的油污 remove grease from one's coat; 除去爆炸性因素 defuse ...