She knew the color was deepening in her cheeks.
He stopped and faced her, frown deepening.
Operations for removing the obstacles in the channel and for deepening and widening it were begun as long ago as 1838.
Sofia glared at him, her embarrassment deepening at the look the men around the fire gave her.
By a re-elevation of a peneplain the rivers of an old land surface may be restored to youthful activity, and resume their shaping action, deepening the old valleys and initiating new ones, starting afresh the whole course of the geographical cycle.
