jerkv.急动；猛拉n.猛拉；急动；笨蛋；<俚> 蠢人adj.颠簸不稳的jerk nystagmus跳动性眼球震颤jerk chin musicn.谈话jerk with split箭步上挺jerkinhead roof山墙尖呈斜坡的两坡式屋顶jerk-bend test急拉弯曲试验jerking movement急动jerk someone overvt.烦扰某人；浪费某人的时间jerking nystagmus[医] 急动性眼球震颤, 节律性眼球震颤jerkin-head roof山墙尖呈斜坡的两坡式屋顶jerk from the neck颈后挺