单词	spindle tree
释义	spindle tree noun : any of various often evergreen shrubs, small trees, or vines (genus Euonymus) of the staff-tree family Word History First Known Use 1548, in the meaning defined above
随便看	inverse secant inverse sine inverse spelling inverse square law 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

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