单词	unperceived
释义	unperceived adjective un·​per·​ceived ˌən-pər-ˈsēvd  : not seen, observed, or given notice : not perceived unperceived problems Example Sentences Recent Examples on the Web Over time, the angle of these lines changed, suggesting to audience members that the direction of the pendulum’s travel was shifting under the influence of an unperceived rotational motion—that of Earth. Alicia Ault, Smithsonian, 3 Feb. 2018 Word History First Known Use 14th century, in the meaning defined above unperceived adjective as in unsuspected Synonyms & Similar Words Relevance unsuspected unrecognized unaware unknown unmindful unconscious unbeknown unbeknownst unacquainted unsuspecting unknowing unfamiliar unwitting ignorant
随便看	nitrobarite nitrobenzene nitrobenzenes nitrocalcite nitrocalcites nitrocellulose nitrocelluloses nitrochloroforms nitrocotta nitrocotton nitrocottons nitroethane nitroform nitrofuran nitrofurans nitrofurantoins nitrogation nitrogelatin nitrogelatine nitrogen nitrogen balance nitrogen chloride nitrogen cycle nitrogen dioxide nitrogen family

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