rubbing
名词 rubbing:
the resistance encountered when one body is moved in contact with another
同义词:friction
representation consisting of a copy (as of an engraving) made by laying paper over something and rubbing it with charcoal
effort expended in moving one object over another with pressure
动词 rub:
move over something with pressure
同义词:rub
cause friction
同义词:rub, fray, fret, chafe, scratch
scrape or rub as if to relieve itching