polyabolo
(geometry) A polyform made by joining right isosceles triangles edge to edge in various arrangements.
An anonymous person, especially an author. / A work with an unknown author. / A work without a title.
A person engaged in a struggle.
simple past tense and past participle of cheese up
彼女は午後をかけて、直角二等辺三角形を辺でつないで作る複雑な図形を設計し、それがパズルのマス目にぴったりはまるようにした。
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