a folding screen的用法和样例：
- In the dark background is a folding screen with a loom picture “The Sparrows in the Cold”, which alludes to her situation in the palace.
- A folding screen with “How happy we are to have friends from afar!” in oracle bone script, standard script and cursive script demonstrates our hospitality.
- The fastening or opening covered by such a fold.
- This is a box camera and that is a folding one.
- If you're going camping you'll need a folding bed.