封闭 fēngbì HSK4 isolated Definitions Defs Origin Strokes Stroke Words Sentences Sents 封闭性 fēngbìxìng closedness closedness; encapsulation封闭性开局 Fēngbìxìng Kāijú closed game a category of chess openings beginning with the moves 1. d4 d5 (Double Queen Pawn Opening)
