percentn.百分比adv.百分之 ...adj.百分之 ... 的percent fill充填百分率percent sand含沙率percent sign百分比符号percent test挑选试验percent maker接通百分数percent death按每只母鸡计算饲料消费量percent stylen.百分比样式percent error百分误差percent grade坡度百分数percent point百分率点