质的飞跃 zhìdefēiyuè qualitative leap Definitions Defs Origin Strokes Stroke Words Sentences Sents 质的飞跃 質的飛躍 zhìdefēiyuè qualitative leap a fundamental or sudden change in the nature or quality of something; a leap from one stage of development to another
质的飞跃 質的飛躍 zhìdefēiyuè qualitative leap a fundamental or sudden change in the nature or quality of something; a leap from one stage of development to another
