1 [uc] (abbr vol.) the amount of space that sth contains or fills 体积；容积: What is the volume of this sphere? 这个球体的体积是多少？ ☞Look at area (2). 参看area(2)。

2 [C,U] the large quantity or amount of sth 大量: the sheer volume (= the large amount) of traffic on the roads 道路的巨大交通流量I've got volumes of work to get through. 我有大量工作要完成。

3 [U] [sing] how loud a sound is 音量；声量: to turn the volume on a radio up/down 调高╱调低收音机的音量a low/high volume 音量低╱高

4 [C] (abbr vol.) a book, especially one of a set or series （尤指一套书或丛书的）册，辑，卷，集: The dictionary comes in three volumes. 这部词典分三卷出版。