Word · 単語
空転
Reading くうてん
racing (of an engine)
racing (of an engine) · idling · going in circles (of an argument, discussion, etc.) · spinning one's wheels · going nowhere
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JLPT
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strokes
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frequency
Not started
Mastered counts as known everywhere (frontier, map, extension) but never appears in the quiz again. New wipes the review history for this item.