Definition
to polish or smooth the surface of something using a coarse cloth, brush, or paper until it becomes clean and glistening
磨光；擦亮；擦乾淨
Before starting to paint, she rubbed the wood down to ensure better adhesion.
在開始上漆之前，她將木頭磨光以確保更好的附著力。
He rubbed down the metal surface with coarse sandpaper to make it look brand new.
他用粗砂紙將金屬表面磨光，使其看起來像全新的一樣。
Remember to rub the car body down thoroughly to remove dirt and scratches before cleaning.
記得在清潔前徹底將車身磨光，以去除污垢和刮痕。