flat bone

例句：

1. 1. The doctorexamined the patient's flat bones andfound no fractures.
   医生检查了病人的扁平骨，没有发现骨折。
2. 2. Flatbones are important for supporting the body's weight.
   扁平骨对于支撑身体重量非常重要。
3. 3. The patient was advised to avoid activitiesthat could cause further damage to her flatbones.
   患者被建议避免可能导致她扁平骨进一步损伤的活动。