juvenescence：返老还童，变年轻   

词根词缀： -juven-年轻 + -escence名词词尾

• hwyl
• hyacinth
• hybrid
• hybridize
• hydel
• hydra
• hydrangea
• hydrant
• hydrargyrum
• hydrarthrosis
• hydrate
• hydraulic
• hydraulics
• hydro
• hydro-
• hydrocarbon
• hydrochloric acid
• hydrochlorofluorocarbon
• hydrocortisone
• hydrodynamic
• hydrodynamics
• hydroelectric
• hydrofluorocarbon
• hydrofoil
• hydrogen