单词	lifespan
释义	lifespan /ˈlʌɪfspan / noun The length of time for which a person or animal lives or a thing functions: the human lifespan... As humans lengthened lifespans with better nutrition and hunting skills, childhood also lengthened. They are slow-breeding and long-lived animals, achieving lifespans of 70 years or so. I suggested that extending human lifespans might lead to extended creativity.
随便看	pfd. Pfefferkuchen pfeffernuss pfeffernuß Pfeiffer Pfeiffer bacillus Pfeiffer's bacillus pfella pfeller pfennig pfft pfg. PFI pfui Pfund series P-funk P.Funk Pfälzian PG pg. PG-13 PGA PGCE PGK PGP

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