名词中文翻译
中文翻译：腿骨
同义词：
['sacrum', 'ilium', 'ischium']
例句：
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1. The patient was lying on his back with his legs crossed.
病人平躺在背上，双腿交叉。
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2. The doctor examined the patient's brachial artery for blood flow.
医生检查了病人的肱动脉以检测血流情况。
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3. The athletes stood in a line, their arms outstretched as if ready to run.
运动员们排成一行，双臂伸展，仿佛随时准备起跑。