低速 dīsù low speed Definitions Defs Origin Strokes Stroke Words Sentences Sents 低速区 dīsùqū low-velocity zone low-velocity zone in seismology低速挡 dīsùdǎng low gear low gear or bottom gear in a vehicle减低速度 jiǎndīsùdù to slow down To lower or slacken speed; to decelerate or retard
