active supplementary material的用法和样例：
- A collection of supplementary material, usually at the end of a book.
- Dispose the unqualified raw and supplement material and outsourcing products.
- Supplementary material and reference books will be provided/mentioned in the lecture.
- This paper is mainly to take the Coro Nata as the supplementary material to develop a kind of new functional sausages.
- Best selection of supplementary materials for EFL teachers.