fourfold

英 [ˈfɔːfəʊld]

美 [ˈfɔːrfoʊld]

adj.  四倍的；四重的
adv.  四倍地；四重地

BNC.21904 / COCA.23621

英英释义

adj

• four times as great or many
  1. a fourfold increase in the dosage
  Synonym:quadruplefour-fold
• having four units or components
  1. quadruple rhythm has four beats per measure
  2. quadruplex wire
  Synonym:quadruplequadruplicatequadruplexfour-fold

adv

• by a factor of four
  1. the price of gasoline has increased fourfold over the past two years
  Synonym:four times

双语例句

• Experiment of fourfold frequency divider proved the feasibility and validity of the method.
  四倍分频器电路演化实验结果验证了该方法的可行性与有效性。
• In some cases output has increased more than fourfold.
  在有些情况下，产量增加了3倍多。
• The price of gasoline has increased fourfold over the past two years.
  在过去的两年时间里，汽油价格增加到原来的四倍。
• Over the full year the deposit base doubled and the market for bonds denominated in the offshore currency grew fourfold.
  去年一年，香港离岸人民币存款的规模增长了一倍，以人民币计价的债券市场规模增长了四倍。
• Yet with food prices doubling since 2000, and oil and metals rising three or fourfold, no one is immune.
  不过，面对2000年以来翻了一番食品价格、以及上涨了三四倍的石油和金属价格，没有人能够置身事外。
• A Study on Circuit of the Positive Coefficient Fourfold Differential of Single Operational Amplifier
  单运放正系数四次积分电路的研究
• Even if we halved water use and doubled production, food deficiency would still increase fourfold.
  即便我们让用水量减半、让产量加倍，食品短缺将仍然会增加到原来的4倍。
• Last year, Chinese investors bought 73 tonnes of bullion, up fourfold from 18 tonnes in 2007.
  去年，中国投资者购买了73吨黄金，是2007年（18吨）的4倍。
• If the threat of rabies arose every five years, targeting all the wolves in the corridors would cut the risk of extinction over a20-year period by fourfold.
  如果对居住于峡谷内的所有狼群每五年开展一次狂犬病治疗，在20年内，埃塞俄比亚狼种灭亡的可能性将降低四倍。
• After five years, those women had a fourfold higher risk than average women of developing breast cancer.
  五年后，研究人员发现这些女性患乳腺癌的风险达到了普通女性的四倍。