单词	tristetrahedron
释义	tristetrahedron noun tris·​tetrahedron (¦)tris, trəs+ : a solid (as a crystal) of the tetrahedral class of the isometric system having 12 triangular faces and related to the trapezohedron of the holohedral class compare deltohedron Word History Etymology tris- + tetrahedron
随便看	hyalophoras hyalopilitic hyaloplasm hyaloplasma hyaloplasms hyalosiderite hyalospermae hyalospermas hyalospermata hyalosponge Hyalospongea Hyalospongia Hyalospongiae hyalospongiaes hyalotekite hyaluronic acid hyaluronidase hyaluronidases Hyannis Hyatt hyb Hybla Hyblaean hybodont Hybodus

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