kinetics

n [sing v] science of the relations between the movement of bodies and the forces acting on them 动力学.

kiloton, kilowatt, kilt, kilted, kimono, kin, kind, kind of, kind-hearted, kindergarten, kinding, kindle, kindliness, kindling, kindly, kindness, kindred, kinetic, kinetic art, kinetically, king, king-size (also king-sized), kingcup, kingdom, kingfisher, kingliness, kingly, kingmaker, kingpin, kingship, kink, kinkiness, kinky, kinsfolk, kinship, kinsman, kinswoman, kiosk, kip, kipper,