The duck walked gracefully across the pond.

Fugitive dust from construction sites can contribute to air pollution.

The duck is walking across the pond.

He revved up the engine and made the dust fly.

He decided to shake off the dust from his feet and start a new life in a different city.

The new smartphone supports dual-bands for better network coverage.

The river carved a beautiful dune in its sandy bed.

She lined up her ducks before starting the project.

She is lining up her ducks before starting the project.

I need to line up my ducks before starting the project.