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
- a fourfold increase in the dosage
- having four units or components
- quadruple rhythm has four beats per measure
- quadruplex wire
adv
- by a factor of four
- the price of gasoline has increased fourfold over the past two years
双语例句
- 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 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。