成倍增長 chéngbèizēngzhǎng to increase severalfold Origin Definitions Defs Strokes Stroke Words Sentences Sents 成倍 chéngbèi manyfold many times over; twofold or many times more; multiplied; exponentially增长 增長 zēngzhǎng verbnoun to increase to grow in size, number, amount, or degree