Chappelles
plural of Chappelle
present participle of pease
(geometry) a theorem stating that if a set of points P_i lying on a line is isometrically mapped to points P_i' on a different line, then the midpoints of the segments P_iP_i' also lie on a line.
plural of flight engineer
同窓会で、チャペル一家は三世代にわたる思い出話を語り合った。
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