rubbing造句
The dogs are always
rubbing against the wall and making dirty marks.
那些狗老是往墙上蹭，留下了斑斑污迹。
She began
rubbing out the pencilled marks in the margin.
她开始擦掉空白处的铅笔笔迹。
They were settling to their work,
rubbing down the woodwork with sandpaper.
他们开始工作，用砂纸把木制品打磨平滑。