abrasive  
 adjective uk/əˈbreɪ.sɪv/ us/əˈbreɪ.sɪv/
  (PERSON)      
  生硬粗暴的;不友好的
rude and unfriendly
  She has a rather abrasive manner. 她的态度相当粗暴。 
 He can sometimes be abrasive in meetings. 他开会时有时会变得相当生硬粗暴。 
   (CLEANING SUBSTANCE)      
 清洁物体表面的研磨材料
An abrasive substance is slightly rough, and often used for cleaning surfaces.
  an abrasive cleaner/powder/liquid 摩擦除垢器/粉/液 
 abrasive       
noun [ C ] uk/əˈbreɪ.sɪv/ us/əˈbreɪ.sɪv/
 (通常用来擦洗或擦亮表面用的)磨料
a substance used for rubbing away the surface of something, usually to clean it or make it shiny
  You'll need a strong abrasive for cleaning this sink. 你得用强力磨料才能把这个洗碗槽擦洗干净。