| 单词 | torus |
| 释义 | torus n. (pl. tori) 1. Archit. a large convex bun-shaped moulding esp. as the lowest part of the base of a column. 2. Bot. the receptacle of a flower. 3. Anat. a smooth ridge of bone or muscle. 4. Geom. a surface or solid formed by rotating a closed curve, esp. a circle, about a line in its plane but not intersecting it. Etymology: L, = swelling, bulge, cushion, etc. |
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