obliterate
/əˈblɪtəreɪt/verb
with obj.
1- destroy utterly; wipe out摧毁; 抹除; 除掉; 消灭：
the memory was so painful that he obliterated it from his mind.
回忆是如此痛苦, 他只得将其从心中彻底抹去。
1.1
- cause to become invisible or indistinct; blot out使看不见; 使模糊; 遮盖：
clouds were darkening, obliterating the sun.
云越来越黑, 遮住了太阳。
1.2
- cancel (something, especially a postage stamp) to prevent further use盖销（尤指邮票）。
派生词
obliteration
nounobliterative
/-rətɪv/ adjectiveobliterator
noun词源
mid 16th cent.: from Latin obliterat- 'struck out, erased', from the verb obliterare, based on littera 'letter, something written'.