a long-handled spoon的用法和样例：
- Mops for cleaning the floor have a long handle.
- He needs a long spoon who sup with the devil.
- A child's low, four-wheeled cart hauled by a long handle that governs the direction of the front wheels.
- A tool for breaking hard surfaces, consisting of a curved bar sharpened at both ends and fitted to a long handle.
- There was a long lag in forwarding mail to us.