electronic memory recorder

例句：

1. 1. This electronic memory recorder is incredibly easy to use.
   这个电子记忆记录器使用起来非常简便。
2. 2. The teacher used the electronic memory recorder to help students learn new vocabulary.
   老师使用电子记忆记录器帮助学生学习新词汇。
3. 3. The electronic memory recorder has revolutionized the way we store andretrieve information.
   电子记忆记录器已经彻底改变了我们存储和检索信息的方式。