But people with loose hamstrings can lift their sitting bones so high that the tendon starts to wrap around the bone. This can weaken the tendon.
但是对于腘绳肌较松弛的人来说，他们可以把坐骨抬的很高，以至于上腘绳肌肌腱包裹住坐骨，最终也会使肌腱受损。
When the Boots were removed, the bone fragments fell to pieces and the skin of the lower legs merely served as loose sacks for them.
当木靴子被拿掉之后，小腿上的皮就像一个松散的布袋子一样装着这些破碎的骨头。
If the supporting bone is lost the teeth will become loose.
假若支持牙齿的骨头消失了，那么牙齿就会松动。
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