He sped off and disappeared from sight immediately.

The radical of the kanji '走' is 走繞.

His running ability is the best in the team.

In biology, the phenomenon of moving towards light is called phototaxis.

This self-propelled lawnmower is very convenient.

He likes to take a walk in the park at dusk.

The biker gang is causing a commotion in the town.

I will participate in an obstacle race this weekend.

This old tunnel was once used in a mine.

This old tunnel was once a key point of transportation.