As you roll onto your toes, try to springoff the ground.
当向前翻转至脚趾时，您的脚尽量要弹离地面。
2
To springoff the ground or other base by a muscular effort of the legs and feet.
跳，跳上通过腿部和双脚肌肉的活动，跳离地面或其它。
3
The need can change into the motive and springoff artistic activities only if the subject of activities have been impelled or stimulated by the objects.