单词	unobserving
释义	unobserving adjective un·​observing "+ : not observing : unnoticing, incurious, inattentive Word History First Known Use circa 1628, in the meaning defined above
随便看	oxford ochre Oxford unit Oxford weed oxfordian oxfordians Oxfordism oxfords Oxfordshire oxgang oxgangs oxgate oxgoad oxharrow oxheads oxheart oxhearts oxhide oxhorn oxicillins oxidable oxidant oxidants oxidase oxidases oxidasic

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