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

• 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。
• 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。
• World prices for many of these minerals have doubled in2011, on top of a fourfold increase last year.
  许多这些稀土矿产品的世界价格继去年翻两番之后，在2011年已翻了一倍。
• We have evaluated this clustering for several sample queries that restrict their search to a single group_PDB value ( i.e.," HETATOM") and found that it can improve query performance fourfold.
  我们已经通过几个将搜索限制于单个groupPDB值（即HETATOM）的样例查询评估了这种集群并发现它能够将查询性能提高四倍。
• 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。
• 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。
• Relatives of those who have suffered from the condition have a fourfold greater risk of degenerating themselves, as compared to those without any hereditary connection.
  这些谁已经从亲属遭受的条件有一个更大的风险四倍自己堕落相比，没有任何连接的世袭。
• The supply of fist grew fourfold there.
  那里鱼的供应量增加了三倍。
• Over the same period copper prices have risen fourfold.
  而同期，铜价上涨了3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。