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.

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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.

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.
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.

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.
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.

For an object to be stable, the centre of gravity must fall on or inside the base
This is why your bottom moves backwards when you bend over, so that your centre of gravity can still remain over y...

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For an object to be stable, the centre of gravity must fall on or inside the base
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.
对于一个要稳固的物体,它的重心必须落在它上面或内部。
这就是为什么当你俯身时,下部必须往后移,那样你的中心就在你脚上。不然你就会跌倒。

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