a pair of slippers的用法和样例：
- I handed him a pair of slippers to put on.
- A modern girl went to the theatre with a vest and a pair of slippers.
- I bought a pair of tan leather shoes the other day.
- Meantime Mary had spent six thousand dollars on a new house for herself and a pair of slippers for her pastor, and then had fallen peacefully to rest.
- Billy has a pair of new trousers.
- This small animal has a pair of hazel eyes.