单词	depth of field
释义	depth of field noun phrase : the range of distances of the object in front of an image-forming device (such as a camera lens) measured along the axis of the device throughout which the image has acceptable sharpness Word History First Known Use 1911, in the meaning defined above
随便看	pumice pumice soap pumiced pumiced foot pumiced sole pumiceous pumicer pumicers pumices pumicing pumicite pumicites pummel pummeled pummeling pummelled pummelling pummelo pummelos pummels pummies pummy pump pump (someone or something) full of (something) pump bob

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