单词	pyramidal
释义	pyramidpyramid /ˈpɪrəmɪd/ ●●○ noun [countable] Etymology ETYMOLOGYpyramid Origin: 1500-1600 Latin pyramis, from Greek 1 math, geometry a solid object that has a four-sided base, and four sides made up of triangles that slope to a point at the top2social studies, history a large stone building in the shape of a pyramid, found especially in Egypt and Central America3[usually singular] a system or organization in which a small number of people have power or influence over a much larger number of people:  The uneducated poor are at the bottom of the social pyramid.4a pile of objects that have been put into the shape of a pyramid: pyramid of a pyramid of cans—pyramidal /ˌpɪrəˈmɪdl◂/ adjective
随便看	unappetizing unarmed unashamed unashamedly unasked unassailable unassisted unassuming unattached unattainable unattended unattractive unattractively unauthorized unavailable unavailing unavoidable unavoidably unaware unawareness unawares unbalance unbalanced unbalanced force unbearable

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