定义
to wipe (the table): 擦(桌子) 
            
            
to wipe (a file): 删除(文件) 
            
            
- "I've just wiped my files!"
 - "you eliminate the sound of crackling by wiping the dust from the record and needle with a cloth."
 - "They both leave after 45 minutes, without wiping the whiteboard."
 - "Wipe table with a damp cloth when necessary"
 

