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doub.le (obj)5dQb76v使加倍;对折The government aims to double the number of students in higher education within 25 years. [T]政府计划在25年中使受高等教育的学生人数增长一倍。Company profits have doubled since the introduction of new technology. [I]自从引进了新的技术，公司的利润翻一番。I'll double the blanket (= fold it into two layers) so you won't be cold. [T]我会把毯子对折，你就不会觉得冷了。If something or someone doubles as something or someone else, they have a second use or job.兼有其他用途，兼作;（指演员）兼演The kitchen table doubles as my desk when I'm writing.厨房的桌子在我写作的时候兼作书桌。The actress playing the judge also doubles as the victim's sister.这名女演员既演法官又演受害者的姐姐。To double back is to turn and go back in the direction you have come from.往回走Several times we doubled back on ourselves to try and shake off the detectives who were following.我们几次往回走，试着摆脱紧盯着我们的侦探。If you double up/over, or if something doubles you up, you suddenly bend forwards and down, usually because of pain or laughter.（因痛或笑）使身子突然弯曲Most of the crowd doubled up with laughter at every joke.多数人听了每个笑话后都笑弯了腰。She was doubled up/over with the pain in her stomach.她因胃疼而直不起腰。To double up is to share something, esp. a room, with someone else.与…共用Terry will have to double up with Bill in the front bedroom.特里将和比尔一起睡在前卧室。
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