audio-visual materials

• 视听资料

Audio-visual materials的用法和样例：

例句

1. Lending services will also be extended to various types of audio-visual materials.
   外借服务会扩展至各类型的视听资料。
2. Some libraries carry a separate catalogue for each type of such audiovisual materials.
   有些图书馆对这类视听资料中的每一种都备有单独的目录。