fleetly

The cheetah ran fleetly across the savanna, chasing its prey.

用法提示：副词fleetly修饰动词ran，表示动作迅速。

She typed fleetly on the keyboard, finishing the report in no time.

用法提示：fleetly修饰动词typed，描述打字速度快。

The children moved fleetly through the obstacle course, impressing their coach.

用法提示：fleetly修饰动词moved，说明通过障碍赛的速度。