英语翻译
问题描述:
英语翻译
This is why your bottom moves backwards when you bend over,so that your centre of gravity can still remain over your feet.
If your centre of gravity does not remain over your feet,you fall.
答
这就是为什么你的底部向后移动时,你弯腰时使你的重心仍在你的脚下.
如果你的重心不在你的脚下,那么你将跌倒.