她在练习短推时总是用这支推杆。
She always uses this ___putter when practicing short strokes.
那艘小船的马达在湖面上发出噗噗的声音。
The small boat's motor ___puttered softly across the lake.
他整个下午都在书房里悠闲地整理书籍。
He spent the whole afternoon ___puttering around the study organizing books.
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