Lady Mayoresses
(idiomatic) In hindsight things are obvious that were not obvious from the outset; one is able to evaluate past choices more clearly than at the time of the choice.
(mathematics) Any closed curve described by a Cartesian equation of the form (x²+y²)²=2a²(x²-y²).
plural of geotechnique
plural of Lady Mayoress
市の昼食会で、市長夫人たちは来訪した来賓に紹介されました。
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DiQt（ディクト）
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