| 释义 |
〔dextrorse〕Growing upward in a spiral that turns from left to right:右旋向上的：从左向右方上旋生长：〔topspin〕Forward rotation imparted to a ball by a stroke, as in tennis.上旋：击球后产生的球向前旋转，例如在网球中〔top〕A forward spin on a ball resulting from such a stroke.上旋：上部击球形成的向前向上旋转〔turn〕To give a rounded form to (wood, for example) by rotating against a cutting tool.车削：在切割工具上旋转而使（如木头）成为圆形 |