例句與造句

1. As the glide step rolls the foot from the heel to the toe, marchers executing the ankle knee step roll the foot from the toe to the heel.
2. As the glide step rolls the foot from the heel to the toe, marchers executing the ankle knee step roll the foot from the toe to the heel.
3. It's difficult to find step roll in a sentence. 用step roll造句挺難的