She dreamed of going through a long tunnel with a very gradual descent.
What they describe is not a gradual descent into depression.
Two more hours of gradual descent brought them down to the water itself.
He set his controls for a very gradual descent.
Throughout the day, they continued their gradual descent from the higher country, where the house was, down into the lowlands.
They drew to a halt when the trail began a gradual descent down the other side and turned back.
Outside, the noise of the 747's four big engines was changing as the jet began its gradual descent.
The sun was beginning its gradual descent in the cloudless sky.
That was the height of the club's achievement as they began a gradual descent.
This was immediately done, and we commenced a gradual descent.