The student body for the new high school was developed slowly.
The short story developed slowly for the next six years before he published it.
It is a concept which can only be developed slowly.
Over the next 30 years, small communities slowly developed throughout the county.
However, public services developed slowly and had poor customer service.
A political response to the strike began to develop slowly.
The next step was making the computer more affordable which slowly developed through different companies.
The site continues to be slowly developed by the volunteers.
"A sense of my own autonomy would develop slowly as I learned to focus on others and to leave myself behind."
We developed slowly and grew in strength; they must have also.