His 6,000 inventions included the electric light bulb, the phonograph, and the mimeograph machine.
他的六千项发明包括电灯泡 、 留声机(唱机)和油印机.
Before the 1970s the slide rule, or slipstick, was as common as the typewriter or the mimeograph machine.
1970年代之前,计算尺跟打字机和油印机一样,随处可见。
简答网 · 雅思托福
简答网 · 双语新闻
简答网 · 四六级英语
简答网 · 初中英语作文
简答网 · 高考英语