fourfold是什么意思？

fourfold

英[ˈfɔ:fəʊld] 美[ˈfɔrfoʊld]

• adj. 四倍的，四重的；
• adv. 四倍，四重；

例句

• Electric hand is basic be electric head ache is fourfold. 电手基本是电头疼痛的四倍.
• For a diagnosis of tularemia you need a fourfold increase in serum antibody levels. 要诊断是兔热症,她的血清抗体等级需要有4个部分的增长.
• By the late eighties their number had grown fourfold. 到80年代末的时候，他们的数量已是原来的4倍。

英英词典释义

• Adjective
  1. four times as great or many;
  "a fourfold increase in the dosage"
  2. having four units or components;
  "quadruple rhythm has four beats per measure""quadruplex wire"
• Adverb
  1. by a factor of four;
  "the price of gasoline has increased fourfold over the past two years"