petrous
01
岩骨的, 与耳旁颅骨硬部有关的
relating to the hard part of the skull near the ear
例子
The archaeologist carefully examined the petrous part of the skull for DNA extraction.
考古学家仔细检查了头骨的岩部以提取DNA。
Certain injuries are harder to treat when they involve the petrous section of the bone.
当涉及骨的岩部时，某些损伤更难治疗。
