rubbing
英
['rʌbɪŋ]
美
['rʌbɪŋ]
-
Noun:
-
the resistance encountered when one body is moved in contact with another
-
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
-
-
-