Read Edit View history 飞速 fēisù HSK7 rapidly Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 飞速/飛速 · fēisù · rapidly 2026/03/04 飞速 / 飛速 fēisù rapidly moving, developing, or progressing at an extremely high speed 由于科技的进步，我们的生活正在飞速变化。 adverb created sense Mar 4, 2026, 02:25 AM