Home/ethynylationethynylation/e-thahyn-l-ey-shuhn/US // ɛˌθaɪn lˈeɪ ʃən //乙炔化,乙炔化作用,乙炔酸化,乙炔化反应Definitionsn.名词 noun1 Chemistry.: the process of introducing the ethynyl group into a compound.Level 5Browse all words →