That same area is used to push off the ground, generally wearing down this area of the shoe much quicker.
这里也是蹬地的地方，所以鞋的这个面会磨损得更快。
The more powerfully you can push off the ground, the less effort each stride will take, and ultimately it will be easier to run faster.
蹬地越有力，每步所花的力气就越小，最终将跑得更快。
An arch in the foot would provide leverage to push off the ground at the start of a stride and then help absorb shock when the foot meets ground again, suggesting Lucy's feet were much like ours.
足部的拱形类似杠杆的作用，在迈步时起到蹬地作用，并且在脚着地时起到吸收冲击力的作用，这暗示露西的脚与我们现代人的很相似。
The soleus is the other major muscle in the calf, located in front of the gastroc. It is important for planting the foot on the ground before your push off.
比目鱼肌是小腿肚上另外一块重要的肌肉，位于腓肠肌的前面，这对与你跑出去之前的脚落地很重要。
Push a ping-pong table against a wall and play ping-pong with the wall, try to keep the ball off the ground.
把乒乓球桌一端顶着墙壁，站在另一端与墙对打，球不要落地。
To get all the stages off the ground , a first big push is needed.
使火箭各级离开地面，需要有巨大的次推力。（转译成宾语）
The left foot's heel must be slightly off the ground at this stage. As you drag back, do not push down on the left foot at all or it will not glide.
做这一步的时候，左脚跟要稍微离地，左脚不要往下踩，否则就滑不起来了。
The left foot's heel must be slightly off the ground at this stage. As you drag back, do not push down on the left foot at all or it will not glide.
做这一步的时候，左脚跟要稍微离地，左脚不要往下踩，否则就滑不起来了。
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