Before the 1970s the slide rule, or slipstick, was as common as the typewriter or the mimeograph machine.
1970
之前，计算尺跟打字机和油印机一样，随处可见。
Before the 1970s the slide rule, or slipstick, was as common as the typewriter or the mimeograph machine.
1970之前，计算尺跟打字机和油印机一样，随处可见。
声明：以上例句、词性分类
由互联网资源自动生成，部分未经过人工审核，其表达内容亦不
表本软件
观点；若发现问题，欢迎向我们指正。
