英语词汇gerontology的意思、用法及释义-英汉双解词典

单词	gerontology
释义	gerontology n[U] scientific study of old age and the process of growing old 老年学（对年老和衰老的研究）.
随便看	nitric nitric acid nitrogen nitrogenous nitro-glycerine nitrous nitrous oxide nitty-gritty nitwit nitwitted nix N, n no nob no-ball nobble Nobel Prize nobility noble nobleman noblesse oblige nobly nobody no-claims bonus nocturnal

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