Heptahedron

[,heptә'hi:drәn]

解释:

(n.) A solid figure with seven sides.

整理:玛米

解释:

n. a solid figure with seven faces or sides.—adjs. Heptahē′dral Heptahed′rical; Heptahexahē′dral having seven ranges of faces one above another each range containing six faces.

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