bone-length measurement

例句：

1. 1. The doctor measuredthe patient's height to ensure he was within normal range.
   医生测量了患者的身高，以确保他处于正常范围内。
2. 2.The scientist conducted a bone-length measurement to study the effects of exercise on bone health.
   科学家进行了一项骨长测量研究，以研究锻炼对骨骼健康的影响。
3. 3.The researcher used a bone-length measurement tool to determine the exact size of the bone.
   研究人员使用骨长测量工具来确定骨头的确切大小。