oblivious/əˈblɪv.i.əs/形容词(尤指对周围发生的事情)毫不在意的,毫无知觉的,未察觉的Absorbed in her work, she was totally oblivious of her surroundings.她专心于工作,对周围的一切毫无知觉。想跟读,去练习