gerontology /.dʒerɒn'tɒlәdʒi/ GRE英语词汇 📖 中文释义 n. 老年医学, 老人学[医] 老年医学, 老年病学, 老人学 🔗 释义中的汉语词 老年医学老人学 📘 English Definition(英文释义) n the branch of medical science that deals with diseases and problems specific to old people ← gerontologists gerontomorphosis →