a one hour dry-cleaning service的用法和样例：
- Laundry and dry cleaning service.
- Wet and dry cleaning service available by just fill up the form placed in the room.Besides, there is a valet shop at the 1st floor and a launderette at the 9th floor.
- We concentrated the proposal into a one hour meeting.
- I do a one hour very funny keynote called ‘The Power of Partnerships.
- A one hour hearing was held on Tuesday at the Tribunal de Grande Instance, the equivalent of a high or crown court.