noun 下载 🔗分享 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. Examples : "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。 vehicle sport machine technology part 与AI对话词汇游戏阅读练习