货物体积

例句：

1. 1. The volume of the book is 200 pages.
   这本书的页数是200页。
2. 2.The volume of the data was too large to be processed quickly.
   数据量太大，无法快速处理。
3. 3. The volume of the ocean is estimated to be around 1.4 billion cubic kilometers.
   海洋的体积估计约为140亿立方公里。