单词	ticktack
释义	ticktack noun tick·​tack ˈtik-ˌtak  variants or tictac 1 : a ticking or tapping beat like that of a clock or watch 2 : a contrivance used by children to tap on a window from a distance Word History Etymology reduplication of tick First Known Use 1549, in the meaning defined at sense 1
随便看	pack up pack up or in pack up or off packabilities packability packable package package advertising package bees package car package conveyor package deal package freight package holiday package mortgage package policy package powerplant package store package stores package tour packageable packaged packaged fuel packager packagers

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