pet.rous
adj.(形容词)Of, relating to, or resembling rock, especially in hardness; stony.坚硬的,石质的:岩石的,与岩石有关的,或岩石状的,特别指硬度方面;坚硬的Of or relating to the very dense, hard portion of the temporal bone that forms a protective case for the inner ear.颞骨的:颞骨岩部的,与颞骨中质密坚硬的部分有关的,此部分构成了对内耳的保护
来源:Middle English 中古英语 from Old French petros 源自 古法语 petros from Latin petrôsus [rocky] 源自 拉丁语 petrôsus [岩石的] from petra [rock] 源自 petra [岩石] from Greek 源自 希腊语