seventyfold
adjective uk/ˈsev.ən.ti.fəʊld/ us/ˈsev.ən.t̬i.foʊld/
七十倍的
seventy times as big or as much
a seventyfold increase 七十倍的增加
seventyfold
adverb uk/ˈsev.ən.ti.fəʊld/ us/ˈsev.ən.t̬i.foʊld/
（以）七十倍（地）
by seventy times
The cost was reduced seventyfold. 成本降低了七十倍。