fer·til·i·ty /(ˌ)fɝˈtɪləti/
  肥沃,豐饒,生產力
  fer·til·i·ty /(ˌ)fɝˈtɪlətɪ/ 名詞
  生育力
  Fer·til·i·ty n.  The state or quality of being fertile or fruitful; fruitfulness; productiveness; fecundity; richness; abundance of resources; fertile invention; quickness; readiness; as, the fertility of soil, or of imagination. “fertility of resource.”
  And all her husbandry doth lie on heaps
  Corrupting in its own fertility.   --Shak.
  Thy very weeds are beautiful; thy waste
  More rich than other climes' fertility.   --Byron.
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  fertility
       n 1: the ratio of live births in an area to the population of
            that area; expressed per 1000 population per year [syn:
            birthrate, birth rate, fertility rate, natality]
       2: the state of being fertile; capable of producing offspring
          [syn: fecundity] [ant: sterility]
       3: the property of producing abundantly and sustaining growth;
          "he praised the richness of the soil" [syn: richness, prolificacy]