“擦光”的拼音为：cā guāng...

所有的锡器都擦光了, 桌子都刷得雪白.All the tins were scoured, and the tables scrubbed snowy white.把它磨平擦光就得四五年工夫.It takes about four or five years to grind and polish it.把该切片的表面用沙纸擦光.The surface of the slice is smoothed by sanding....

“擦光”的英语可以翻译为：uffing，rub (up)，polish ...