osseous crura

例句：

1. 1. The bone structure of the human skull is characterized by its osseous crura.
   人类颅骨的结构特征是其骨状突起。
2. 2.The surgeon removed the tumor with a bone-cutting instrument, revealing the osseous crura beneath.
   外科医生用骨切工具切除了肿瘤，露出了下面的骨状突起。
3. 3. The anatomist described the osseous crura as the attachment points for muscles and tendons in the skull.
   解剖学家描述了骨状突起作为头骨中肌肉和肌腱附着点。