right angle
(geometry) Half of the angle formed by a single straight line, equivalent to 90 degrees. / (mathematics) An ∟ character.
(Britain, slang) rubbishy, trashy; worthless / (Scotland) Alternative form of tosh, clean, neat
A lea or skein of yarn that forms the standard length taken from the reel, 80 yards of worsted or 120 yards of silk or cotton.
plural of pyrrolide
タイルを敷くとき、請負業者は隙間ができないように各角が直角になっているかを確認した。
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DiQt
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