adj.岩石的；岩石般的；坚硬的
The symbolism of the primordial petrous picture was almost the nature made. 原始岩画的象征性几乎是天籁所成。
Objective:To explore the clinic characteristic of petrous bone cholesteatoma. 目的:探讨岩部胆脂瘤的临床特征及手术方法。
RESULTS: The great superficial petrosal nerve was an important landmark in operation on the petrous bone. 结果:岩大神经是磨除颞骨岩部的重要标志,肿瘤全切16例(69。
METHODS: A microsurgical study for petrous bone was performed in four cadav-eric adult head specimens. 本文探讨乙状窦前入路显微手术切除岩斜区肿瘤术中颞骨的处理技巧。
It was this very primitive symbolic thinking that made the primordial petrous picture full of poetry. 正是原始象征思维,使原始岩画充满诗性。
