volume coordinates

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 is too large to be processed in one go.
   数据量太大，无法一次性处理。
3. 3. The volume of the ocean is estimated to be around 1.4 billion cubic kilometers.
   海洋的体积估计为140亿立方公里。