noun🔗Share链轮，牙盘。 The large forward ring on a bicycle that a chain attaches to, in order to transfer energy to a wheel. It consists of one or more sprockets that are driven by the cranks and pedals of the bicycle."The cyclist upgraded his bicycle's chainring to a larger size for faster speeds on flat roads. "这位自行车手为了在平坦的道路上获得更快的速度，把自行车的牙盘升级到了更大的尺寸。vehiclemachinepartsporttechnologyChat with AIVocabulary GamePractice Reading
