mimeograph
noun [ C ] uk/ˈmɪm.i.ə.ɡrɑːf/ us/ˈmɪm.i.ə.ɡræf/
(also mimeograph machine)油印机
a machine that produces copies of a document using a stencil (= a piece of plastic or metal into which shapes have been cut, through which ink is forced)
If we needed to copy a document, we usually used a mimeograph or carbon paper. 以前如果我们需要复印文件，我们通常使用油印机或复写纸。
What happened to the mimeograph machine on which your teacher cranked out those daunting tests? 你的老师用来印刷那些可怕的考试的那台油印机去哪儿了？
油印件
a copy of a document produced on a mimeograph machine
The first page is smeared with black ink like an old mimeograph. 第一页上沾满了黑色墨水，就像以前的油印件一样。
She kept mimeographs of every letter posted by her grandmother. 她保存着祖母寄来的每封信的油印件。
mimeograph
verb [ T ] uk/ˈmɪm.i.ə.ɡrɑːf/ us/ˈmɪm.i.ə.ɡræf/
油印
to produce a document on a mimeograph machine
Hunter put all of it into the form of a petition, mimeographed it, then hit the streets. 亨特把所有这些都写进请愿书里，用油印机印出来，然后走上街头（分发）。
The couple put together some mimeographed postcards touting their new business and crossed their fingers. 这对夫妇制作了一些油印明信片来宣传他们的新业务，希望能有好运。