obliterate
verb formal uk/əˈblɪt.ər.eɪt/ us/əˈblɪt̬.ə.reɪt/
[ T often passive ]彻底毁掉，抹去，覆盖（使不留痕迹）
to remove all signs of something, either by destroying it or by covering it so that it cannot be seen
The missile strike was devastating - the target was totally obliterated. 这次导弹袭击是毁灭性的——目标荡然无存。
All of a sudden the view was obliterated by the fog. 突然之间雾气淹没了这片景象。
[ T ]忘却，抹掉（想法或感情）
to make an idea or feeling disappear completely
Maybe she gets drunk to obliterate painful memories. 也许她喝醉酒是为了忘却痛苦的往事。