The mouse works by detecting its motion across any surface in both the up/down and left/right directions.

How can we detect inconsistencies across models from multiple languages at modeling time?

Around 3:30am, he detected some movement across the fence on the Line of Control and decided to check it.

In the case of mice and touch screens, this is usually achieved by detecting movement across a physical surface.

She was sure she detected a look of surprise flit across his face.

He enjoys metal detecting across the country for historical artifacts.

At first, Jack could detect nothing unusual, just another piece of foliage across the path.

"At seven or eight, I can detect their breath in conversation with them across the table," he says.

His eye detected a small, dark trapdoor in the roof of a house across the street.

He saw no evidence of photoelectric systems to detect movement across this part of the meadow.