1·Roger bought a pack of audio cassettes.
罗杰买了一箱录音带。
2·This beige box, with a starting price of $1,565, had a mere 16 kilobytes of memory and used audio cassettes to load and save data.
这个米黄色的盒子，起初的售价为1565美元，只有16KB的内存用录音磁带来传输和存储数据。
3·There are various different learning tools available for each subject, including board games, audio cassettes and CDs, and activity cards.
该网站的每一个主题都包含了形形色色的学习工具，包括棋盘游戏，录音带和光盘，以及活动卡。
4·The course material might be a combination of printed texts, CD-ROMs, videos, audio-cassettes, and online information.
这些学习资料可能包含印刷课文、一些CD - ROM、视频材料、录音带以及在线讯息等。