单词	periodoscope
释义	periodoscope noun pe·​ri·​od·​o·​scope ˌpirēˈädəˌskōp : a table or dial for calculating the probable date of parturition Word History Etymology period entry 1 + -o- + -scope
随便看	trial color proof trial court trial courts trial docket trial examiner trial horse trial judge trial jury trial lawyer trial lawyers trial marriage trial of the pyx trial piece trial run trial runs trialate trialed trialer trialest trialeurodeses trialeurodesses trialing trialism trialist trialists

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