toughenings
(organic chemistry) A reaction in which the addition of a hydroxy group to one carbon atom of a double or triple bond is accompanied by cyclization
plural of toughening
plural of Plumstead
Third-person singular simple present indicative form of scald
技師たちは交通量の増加に備えて、橋の支柱の支持梁にいくつかの補強措置を施しました。
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