butyrocopal

例句：

1. 1.The butyrocopal was a great help in the project.
   那个但特罗科帕项目在项目中起到了很大的帮助。
2. 2. The butyrocopal was used to make paper.
   那个但特罗科帕被用来制作纸张。
3. 3.The butyrocopal was used as a source of energy.
   那个但特罗科帕被用作能源的来源。