| 释义 |
DEFINITIVE EXAMPLES 权威例句〔pivot〕The compass needle swung round on its pivot.罗盘指针绕轴转动。外研社新世纪〔rotary〕Of, relating to, causing, or characterized by rotation, especially axial rotation.旋转的，转动的：属于、有关、引起或以转动为特征的，尤指绕轴转动美国传统〔spiral〕A three-dimensional curve that turns around an axis at a constant or continuously varying distance while moving parallel to the axis; a helix.螺旋：当螺旋浆沿轴转动时，形成的以等距离或不断变化之距离绕轴转动的三维曲线美国传统 |