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单词 allyl 释义 allyl Chem.|ll|[f. L. all(ium) garlic, onion + -yl = Gr. ὕ substance.]1. A monovalent hydro-carbon radical, C3H5, = CH3{b1}CH{b2}CH′, obtained in the free state as a very volatile liquid, with a pungent odour resembling that of hor...