a froth of black lace的用法和样例：
- For answer Holmes pushed back the frill of black lace which fringed the hand that lay upon our visitor's knee.
- There are principally 3 types of black betta around today: The Melano black, the Black Lace, and the Marble black.
- The lorry skidded on a stretch of black ice.
- 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.