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 inspected the chainrings on his bike, making sure they were clean and undamaged before his long ride. "骑行者检查了他自行车上的牙盘（链轮），确保在长途骑行前它们是干净且没有损坏的。vehiclesportmachinetechnologypartChat with AIVocabulary GamePractice Reading
