rejuvenescencen.
英 rɪ,dʒuːvə'nesəns | 美 rɪ,dʒʊvɪ'nɛsəns
中文n. 返老还童；新生
词根词源
rejuvenescence (n.)"renewal of youth," 1630s, from Latin rejuvenescere, from re- "again" (see re-) + juvenescere "become young," from juvenis "young" (see young (adj.)) + -ence.
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