doubling

1. ADJ 双的;成双的;成对的
   You use double to indicate that something includes or is made of two things of the same kind.
   1. ...a pair of double doors into the room from the new entrance hall.
      从新的门厅通向该房间的一对双开门
   2. ...a lone skier gliding along smooth double tracks.
      独自沿平滑的双轨雪道滑行的滑雪者
   3. ...three varieties: double toffee, double chocolate, and vanilla.
      3 种类型：双份太妃糖，双份巧克力和香草香精
2. ADJ (用于单数名词前)两个的，双重的
   You use double before a singular noun to refer to two things of the same type that occur together, or that are connected in some way.
   1. ...an extremely nasty double murder...
      极端残忍的双重谋杀
   2. The government committed a double blunder...
      政府重蹈覆辙。
   3. It was to have been a double wedding.
      原本打算两件婚事一起办的。
3. PREDET (数量、大小)两倍的，加倍的
   If something is double the amount or size of another thing, it is twice as large.
   1. The offer was to start a new research laboratory at double the salary he was then getting...
      所提供的工作机会是创建一个新的研究实验室，待遇是他当时所得工资的两倍。
   2. Leeds Prison is reported to have almost double the number of prisoners it's designed to accommodate.
      据报道利兹监狱里犯人的数量几乎已达该监狱设计可容纳人数的两倍了。
   3. ...tropical Queensland, more than double the size of Texas.
      处于热带的昆士兰，比得克萨斯大一倍多
   4. Double is also a pronoun.
      
   5. If they think you're a tourist, they charge you double.
      如果他们认为你是来旅游的，他们会向你要双倍的价钱。
4. ADJ 加倍的;双料的;可容纳两个的
   You use double to describe something which is twice the normal size or can hold twice the normal quantity of something.
   1. ...a double helping of ice cream.
      双份的冰激凌
   2. ...a large double garage...
      能停放两辆车的大车库
   3. Allow the loaves to rise until just about double in size.
      让面包发酵到刚好是原来的两倍左右。
5. ADJ (房间)双人的，供两人用的
   A double room is a room intended for two people, usually a couple, to stay or live in.
   1. ...bed and breakfast for £180 for two people in a double room.
      费用为180英镑的双人间，含房费和早餐
   2. Double is also a noun.
      
   3. The Great Western Hotel costs around £60 a night for a double.
      大西部饭店的双人间一晚大约是60英镑。
6. （床）双人的
   A double bed is a bed that is wide enough for two people to sleep in.
7. ADJ (酒等饮料)双份的
   You use double to describe a drink that is twice the normal measure.
   1. He was drinking his double whiskey too fast and scowling.
      他猛灌着双份威士忌，脸色阴沉。
   2. Double is also a noun.
      
   3. Give me a whisky, a double.
      给我来杯威士忌，双份的。
8. ADJ (用于单词拼写或数字中)两个的
   Double is used when you are spelling a word or telling someone a number to show that a letter or digit is repeated.
   1. Ring four two double two double two if you'd like to speak to our financial adviser.
      如果想和我们的财务顾问通话，拨打 422222。
9. V-ERG (使)加倍;（使）增加一倍
   When something doubles or when you double it, it becomes twice as great in number, amount, or size.
   1. The number of managers must double to 100 within 3 years...
      经理的人数在3年内必须翻倍达到 100人。
   2. The program will double the amount of money available to help pay for child care.
      该方案将使可用于帮助支付儿童保育的钱款增加一倍。
10. N-COUNT 酷似的人;极相似的人
    If you refer to someone as a person's double, you mean that they look exactly like them.
    1. Your mother sees you as her double.
       你母亲将你看作是她的翻版。
11. VERB 兼职;兼任;兼做
    If a person or thing doubles as someone or something else, they have a second job or purpose as well as their main one.
    1. ...a farmer who doubles as a night nurse...
       兼做夜班护士的农夫
    2. Lots of homes in town double as businesses.
       镇里的很多民宅还兼做商用。
    3. Double up means the same as double .
       double up 同 double
    4. The lids of the casserole dishes are designed to double up as baking dishes.
       砂锅的盖子被设计成可兼作焙盘。
12. (网球或羽毛球等的)双打
    In tennis or badminton, when people play doubles, two teams consisting of two players on each team play against each other on the same court.
13. PHRASE 迅速;立即;马上
    If you do something at the double or on the double, you do it very quickly or immediately.
    1. Two soldiers entered at the double and saluted...
       两名士兵立即进来敬礼。
    2. Come to my office, please, at the double.
       请来我的办公室，马上。
14. PHRASE 弯腰;弓着身子
    When you bend double, you bend the top half of your body downwards a long way.
    1. There wasn't room to stand up and he had to bend double.
       空间太小无法站直，他不得不弓着身子。
15. PHRASE 弯腰的;弓着身子的
    If you are bent double, the top half of your body is bent downwards so that your head is close to your knees.
    1. Pickers are bent double, plucking each flower with lightning speed.
       采花人弓着身子飞快地摘着花。
16. PHRASE （眼花等时）看成重影
    If you are seeing double, there is something wrong with your eyes, and you can see two images instead of one.
    1. I was dizzy, seeing double.
       我一阵眩晕，看到的都是重影。
17. in double figures → see: figure

1. You've then got an evens chance of doubling your money at a stroke.
   然后你就有一半的机会可以把钱一下子翻一倍。
2. This usually implies that it requires a developer and security expert working together, doubling the required investment.
   这通常暗示着它需要一个开发人员和安全专家同时工作，从而也需要花费双倍的投资。
3. Moreover, operating-profit margin has been growing, more than doubling from 20% in 2011.
   而且，阿里巴巴的营运利润率还在一直上升，相比于2011年的20%已提高超过一倍。
4. And our ten-year task of doubling the per capita GNP has been fulfilled two years ahead of schedule.
   全国人均国民生产总值提前两年完成了原定十年内翻一番的任务。
5. Doubling this straight-line rate indicates an accelerated depreciation rate of4%.
   将此直线折旧率翻一番得出加速折旧率为4%。
6. The doubling of the sale force resulted in increase sale.
   双倍的销售力量导致增加了销售额。
7. When Franklin Raines took over Fannie Mae in 1999, he set an objective of doubling earnings per share.
   当富兰克林•雷恩斯（FranklinRaines）于1999年接管房利美时，他设定了将每股收益加倍的目标。
8. The doubling in marketing costs last year dragged operating margins down by 7 percentage points to 43 per cent.
   去年腾讯的营销成本翻了一番，受此拖累，营业利润率降低了7个百分点，至43%。
9. Property prices are rising, with rents more than doubling in the past year.
   房地产价格不断上涨，租金价格在过去一年里上涨了一倍多。
10. We haven't any single rooms left. Do you mind doubling up?
    我们没有单人房间了，您不介意与他人同住一屋吧？
11. Retail sales in China are doubling every five years or so.
    中国市场零售额大约每五年翻一番。
12. He is doubling the part of a teacher and a missioner.
    他在一出戏里扮演教师和传教士两个角色。
13. Exports have increased by 19 per cent since his call last year for a doubling of exports by 2014.
    自他去年提出到2014年让出口翻番以来，美国出口额已增长了19%。
14. Stroke recurrence rate of China is one of the highest recurrence of disability and death caused by the doubling.
    中国是脑卒中复发率最高的国家之一，复发造成的残疾和死亡是倍增的。
15. He succeed in doubling his capital in a day.
    他成功的在一天之内让他的资产翻了两番。
16. He is doubling the part of a preacher and a teacher.
    他扮演牧师和教师两角色。
17. Is not the best way of doubling the values in the vector, I've done it this.
    是不是增加一倍，向量的值最好的方法，我已经做到了这。
18. Policy changes led to a doubling of government spending on health.
    政策变化导致了政府在卫生方面的开支加倍。
19. Besides these contents the mechanism of the genetic base on intergenetic F1 hybrids and partialy doubling PMCs also discussed.
    本文还对杂种F1代的遗传学机制和花粉母细胞加倍机制进行了初步探讨。
20. China, a resource-poor country, recently set a goal of doubling the use of alternative sources of energy.
    资源匮乏的中国最近设定了一个目标，计划将可替代能源的利用率提高一倍。
21. Local government borrowing has tripled since 2007, doubling as a share of GDP to about 30 per cent.
    自2007年以来，地方政府债务增加了两倍，与GDP之比扩大一倍，升至30%左右。
22. Countries are joining forces to find ways of doubling global food output without increasing carbon emissions from agriculture.
    致力于为全世界不断增长的人口生产更多食品的同时减少农业二氧化碳排放的一个全球研究联盟已经制定了它的规划。
23. It also brought several thousand wild bears, more than doubling the EU's bear population overnight.
    罗马尼亚还带来了几千只野生熊，一夜间使欧盟野生熊的总数量翻倍还多。
24. The main route to chaos for this rotor system is the period doubling bifurcation cascade.
    转子系统进入混沌的主要途径是倍周期分岔。
25. I am doubling your contempt sentence.
    我判你两个藐视法庭罪。
26. The study found the whole process is doubling the average shopping time from 16 minutes to 31 minutes.
    研究发现整个过程会使平均购物时间翻倍，从16分钟延长至31分钟。

noun

1. raising the stakes in a card game by a factor of 2
   1. I decided his double was a bluff

   Synonym:    double

2. increase by a factor of two
   1. doubling with a computer took no time at all