单词	actioning
释义	actioning noun ac·​tion·​ing ˈak-sh(ə-)niŋ plural -s : the providing of an action to a gun also : action sense 8a(2) Word History First Known Use 1871, in the meaning defined above
随便看	inverse tangent inverse taper inverse trigonometric function inverse variation inverse voltage inverse-square inverse-time inversed inversely inversely proportional inverser inverses inversest inversing inversion inversion point inversion spectrum inversionist inversions inversive invert invert soap invert sugar invertase invertases

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