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

• The study in the journal Proceedings of the National Academy of Sciences is based on six different surveys on self-reported satisfaction with life since 1990, a period when China's gross domestic product per capita increased fourfold.
  该研究发表在《国家科学院院刊》上，基于自1990年以来6份不同的自我报告的生活满意度调查。1990年以来，中国人均国内生产总值增加了4倍。
• The population in this area has increased fourfold.
  该地区的人口已增加到四倍。
• 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。
• In some cases output has increased more than fourfold.
  在有些情况下，产量增加了3倍多。
• And Zacchaeus stood, and said unto the Lord; Behold, Lord, the half of my goods I give to the poor; and if I have taken any thing from any man by false accusation, I restore him fourfold.
  撒该站着，对主说，主阿，我把所有的一半给穷人。我若讹诈了谁，就还他四倍。
• 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。
• Since 2000, annual growth rates averaging 10 per cent have raised the GDP fourfold.
  2000年以来，年均10%的增长率使得GDP增加了三倍。
• 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。
• 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。
• Fourfold or greater change in serum antibody titer to Y.pestis F1 antigen.
  耶尔森氏鼠疫杆菌F1抗原的血清抗体滴度升高4倍或更高。