To efface something means to destroy or remove it so that it cannot be seen any more.
例句
...an event that has helped efface the country's traditional image...帮助该国改变了以往形象改观的事件The name of the ship had been effaced from the menus.那艘船的名字已经从选择菜单中删除了。
英汉词典释义
vt.
擦掉,抹去
The lapse of year will never efface that scene of ruin from my memory.时光的流逝绝不会把那废墟的景象从我的记忆中冲淡。
英英词典释义
Verb
1. remove completely from recognition or memory;
"efface the memory of the time in the camps"
2. make inconspicuous;
"efface oneself"
3. remove by or as if by rubbing or erasing;
"Please erase the formula on the blackboard--it is wrong!"