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 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。 vehicle machine part sport technology 与AI对话词汇游戏阅读练习