动词
中文翻译：加倍
同义词：
['increase', 'double up on']
例句：
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1.The price of the product has doubledsince last year.
该产品的价格自去年以来翻了一番。
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2. He doubled his efforts tofinish the project on time.
他加倍努力，按时完成了这个项目。
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3. She doubled hersavings to buy a new car.
她加倍储蓄，买了一辆新车。