abrasion
/əˈbreɪʒən/noun
mass noun
1- the process of scraping or wearing away刮擦, 磨损：
the metal is resistant to abrasion.
这金属抗磨损。
1.1
- count noun an area damaged by scraping or wearing away刮擦（或磨损）处：
there were cuts and abrasions to the lips and jaw.
嘴唇和下巴上都有伤口和擦痕。
词源
mid 17th cent.: from Latin abrasio（n-）,from the verb abradere （see ABRADE）.