sandpaper 打砂纸
smooth out 抹平
buff up 抛光
grind down 磨损
finish surface 处理表面
1. You need to sand down the old paint before repainting.
在重新喷漆之前，你需要把旧漆磨掉。
2. He spent the whole afternoon sanding down the wooden table.
他花了一整个下午的时间打磨这张木桌。
3. The carpenter sanded down the edges to prevent splinters.
木匠打磨了边缘以防止刺手。
A: This wooden bench looks quite rough and uneven.
A：这个木凳看起来相当粗糙且不平整。
B: I'll sand it down to make it smooth before we varnish it.
B：在刷清漆之前，我会把它打磨平整。
1) 用砂纸磨平
2) 去除表面粗糙
3) 消除表面瑕疵
1. 用砂纸打磨
e.g.Sand down the surface until it is smooth.
将表面打磨至光滑为止。
phrase
1. To smooth a surface by rubbing it with sandpaper.