形容词
中文翻译：双重的
同义词：
['double-fold', 'double-handed']
例句：
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1. The price of the product is doublethat of the competitor's.
该产品的价格是竞争对手价格的两倍。
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2. She doubled her efforts to finish the project ontime.
她加倍努力以按时完成这个项目。
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3.He doubled his savings to buy anew car.
他加倍储蓄以购买新车。