a froth of entertainment的用法和样例：
- A cinema is a place of entertainment.
- They could see the grass-thatched shed lift and collapse, while a froth of foam cleared the crest of the sand and ran down to the lagoon.
- He was in a milky froth of water.
- Narcissists may deny their mistakes or flagellate themselves into a froth of self-pitying hatred, but they never laugh at their imperfections.
- A odeum is a place of entertainment.