n.磨损,擦伤处,<喻>摩擦,<地质>磨蚀（作用）
Diamonds have extreme resistance to abrasion.
钻石极抗磨损.
Abrasion tests are universally carried out under atmospheric conditions.
耐磨试验通常在常压条件下进行.
Erosion of pipes and vessels from abrasion by particles can be serious.
由于固体颗粒的磨蚀作用,管子和容器的磨损严重.