a string of firecrackers的用法和样例：
- Mr. Lin heaved sigh after sigh. Mrs. Lin's hiccups were like a string of firecrackers.
- But Sid also caused a string of firecrackers, such as ice响遍as the ground and to the end of the world"s troubles to!
- The principal personally lights a string of firecrackers to start the ceremonies.
- It was the latest in a string of hotel disasters.
- She was wearing a string of green beads.