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
- 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。 - The population in this area has increased fourfold.
该地区的人口已增加到四倍。 - The risk is particularly high in men who develop stroke, with an almost fourfold increase.
这个危险因素在男性中风的发生中特别的高，几乎增加了4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。 - But petroleum imports are expected to grow fourfold from 2003 to 2030, with much of the increase coming from Gulf suppliers.
但预计从2003年至2030年，中国的石油进口量将增长4倍，其中大部分增幅来自于海湾地区的供应国。 - 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。 - Over the same period copper prices have risen fourfold.
而同期，铜价上涨了3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。 - 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。