electric typewriter

例句：

1. 1. The new electronic typewriter is much more efficient than the old one.
   这款新型电子打字机比旧款的更高效。
2. 2.She spent hours typing away at her electric typewriter.
   她花了很多小时在电动打字机上打字。
3. 3.The teacher asked everyone to switch off their electronic typewriters and focus on the presentation.
   老师要求大家关闭自己的电子打字机，专注于演示。