单词	hectograph
释义	hectograph /ˈhektəˌɡraf / noun An apparatus for copying documents by the use of a gelatin plate that receives an impression of the master copy.Those working underground had acquired a hectograph upon which they printed up to 250 copies of the group's leaflets.... This hectograph pencil is excellent for making clean paper stencils on tracing paper. You then place this on the hectograph, and rub it to transfer the image to the gelatin.
随便看	mukti muktuk Mukuzani mulai mulata mulatress mulatta mulatto mulattoism mulatto land mulatto-like mulatto soil mulattress mulberry mulberry-bird mulberry blight mulberry calculus mulberry-like mulberry molar mulberry tree mulch mulcher mulct mulctable mulctuary

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