abounding in or bordered by rocky cliffs or scarps
同义词：rockbound
tradition-bound and obstinately opinionated
同义词：die-hard
rock-ribbed详细解释
rock-ribbed adj.（形容词）Having rocks or rock outcroppings; rocky.有岩石或有岩石露出地表的；多岩石的Firm and unyielding, especially with regard to one`s principles, loyalties, or beliefs:坚定的：尤指在原则、忠诚或信仰方面坚定不移和百折不挠的：例句：a rock-ribbed conservative.死硬的保守主义分子
