单词	toroid
释义	toroid noun to·​roid ˈtȯr-ˌȯid  1 : a surface generated by a closed plane curve rotated about a line that lies in the same plane as the curve but does not intersect it 2 : a body whose surface has the form of a toroid Example Sentences Recent Examples on the Web So, although the vacuum vessel is still basically a toroid, the magnets that loop around the tube are not planar. Chris Lee, Ars Technica, 9 June 2017 Word History Etymology New Latin torus First Known Use 1886, in the meaning defined at sense 1
随便看	dog hip dog hobble dog hook dog hysteria dog in the manger dog iron dog it dog killer dog laurel dog leech dog letter dog lichen dog lily dog louse dog mercury dog mint dog nail dog nettle dog paddle dog parsley dog pile dog piles dog plum dog point dog poison

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