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。
• 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。
• Higher demand for solar energy, triggered by concerns about global warming, will drive a fourfold increase in the annual revenues of the global solar equipment industry from$ 20bn last year to$ 90bn in 2010, according to projections published today.
  今日即将发布的预测显示，人们对全球变暖的担忧，导致太阳能需求上升，这将推动全球太阳能设备行业的年收入增长3倍，从去年的200亿美元，到2010年时增至900亿美元。
• 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。
• 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 CME expects the volume growth to mirror that of other emerging markets currency contracts, such as the Russian rouble and Brazilian real, which grew fourfold in the first half of last year.
  CME预计，人民币期货合约的交易量增长，将与其他新兴市场货币（如俄罗斯卢布和巴西雷亚尔）期货合约相仿，后者在去年上半年增长了三倍。
• The supply of fist grew fourfold there.
  那里鱼的供应量增加了三倍。
• 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。
• 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。
• 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。