单词	H and D system
释义	H and D system noun : a system for determining the speed of photographic materials that is based on the characteristic curve and related to the inertia of the material Word History Etymology after Ferdinand Hurter and Charles Driffield fl 1890
随便看	distillers' beer distillers' grains distillers' solubles distillery distilling distilling flask distillings distillment distillments distills distilment distils distinct distincter distinctest distinctio distinction distinctiones distinctionless distinctions distinctive distinctive insignia distinctively distinctiveness distinctivenesses

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