动词 sand:

1. rub with sandpaper

Sandln.桑德尔(在奥地利；东经 14º39' 北纬 48º34')sandn.沙；沙子；沙滩；黄灰色vt.撒沙；打磨；以沙掩盖sand-martinn.灰沙燕；崖沙燕sand-graval砂砾石sandbergerite锌黝铜矿,锌铜矿Sand controal防砂工艺sand fixation固沙Sandra Magnus桑德拉·麦格奈斯sand flushing冲沙sands run out期限已到sand pit ball沙坑球sand yachting沙地帆车比赛

1. This preparation consists of sanding away any paint or rust to obtain a smooth but not highly polished surface.
   准备工作包括用砂纸打磨，除去油漆和锈迹，以使表面光滑但又不抛得很光。