1 grazeDictionary, scratch, trauma (pathology)He had severe abrasions to his right cheek.
2 rubbingDictionary, wear, scratchingThe sole of the shoe should be designed to take constant abrasion.
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The erosion of support, values, or money is a gradual decrease in its level or standard.
an erosion of moral standards
Friction is the force that makes it difficult for things to move freely when they are touching each other.
The pistons are graphite-coated to prevent friction.
abrasion 的词库—— 柯林斯 英语词库
An abrasion is an area on a person's body where the skin has been scraped.