逍遥七星
attritionat.tri.tionn.（名词）A rubbing away or wearing down by friction.摩擦，磨损，消磨：通过磨擦作用擦掉或消耗掉
紫色的花瓶
abrasion英 [əˈbreɪʒn] 美 [əˈbreʒən] n.磨损;擦伤处;<喻>摩擦;<地质>磨蚀（作用）例句：It possesses a balance of performance properties such as good flexibility, toughness and abrasion resistance. 它具备了如良好的弹性，韧性和耐磨性的表现性能的平衡。
