它的下颚直接铰接在头骨上，还有多骨的，有肉的、有接缝的鳍。
It has a jaw that is hinged at the cranium and has bony, meaty, jointed fins.
因此， 它， 惊人他们寻找一扇新窗子到没在胸墙的肺或者多骨的架构里被空中遮蔽的心上。
Thus, it is not surprising that they looked for a new window onto the heart that was not obscured by the air in the lungs or bony structures of the chest wall.
当涉及多骨性骨时，病变改变了眼眶的结构。
The lesions changed the structure of orbit when polyostotic bones were involved.
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