| 释义 |
DEFINITIVE EXAMPLES 权威例句〔toroid〕A body having the shape of a toroid.超环状体：形状类似超环面的物体美国传统〔toroid〕A solid having such a surface.超环面物：具有超环面的固体美国传统〔toroid〕A surface generated by a closed curve rotating about, but not intersecting or containing, an axis in its own plane.超环面：由封闭曲线绕其所在平面某一轴旋转而生成的平面，这些旋转线都互不交叉或包含美国传统 |