eightyfold
adjective uk/ˈeɪ.ti.fəʊld/ us/ˈeɪ.t̬i.foʊld/
八十倍的
eighty times as big or as much
an eightyfold increase 八十倍的增长
eightyfold
adverb uk/ˈeɪ.ti.fəʊld/ us/ˈeɪ.t̬i.foʊld/
（以）八十倍（地）
by eighty times
Between 1932 and 1983, the arrest rate for people under eighteen increased almost eightyfold. 从1932到1983年，十八岁以下未成年人遭到逮捕的数量上升了近80倍。