单词	aminal
释义	aminal noun am·​i·​nal ˈa-mə-nᵊl  plural aminals chemistry : a chemical functional group composed of two amines attached to a single carbon atom The invention relates to a method for producing methylene diphenyl diamine (MDA) comprising the following steps a) to c): a) converting formaldehyde and aniline to an aminal … U.S. Fed News, 28 Oct. 2010 Word History Etymology amine + -al (in acetal) First Known Use 1985, in the meaning defined above
随便看	purlieus purlin purlines purling purlings purlins purloi purloin purloined purloiner purloiners purloining purloins purlooes purloos purls puro puromycin puromycins purp purpart purple purple apricot purple avens purple azalea

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