如果一个人摔倒时伸开双手，也就是说用手撑地，那他很可能就会摔断桡骨——支撑前臂的最主要的两块骨头之一。
If a person falls on their outstretched hand, they are most likely to break the radius, one of the two main bones supporting the forearm.
如果一个人摔倒时伸开双手，也就是说用手撑地，那他很可能就会摔断桡骨——支撑前臂的最主要的两块骨头之一。
If a person falls on their outstretched hand, they are most likely to break the radius, one of the two main bones supporting the forearm.
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