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词汇	right angle
释义	right anglen.Mathematics（名词）【数学】Clarinda/Academy Artworks An angle formed by the perpendicular intersection of two straight lines; an angle of 90°.直角，90度角：由两条直线垂直相交而成的角；90°角
随便看	Arkansas College Arkansas River Arkansas State University run–on sentence run–through run–up rupee rupees Rupert Rupert River rupiah rupiahs rupicoline rupicolous rupture ruptured ruptures rupturing rural rural rural delivery rural delivery route rural free delivery ruralism ruralisms

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