动词
中文翻译：使变快
同义词：
['hasten', 'hasten up', 'quicken']
例句：
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1.The car swiftened down the road as we drove faster.
我们开车更快时，汽车在道路上加速了。
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2. The team swiftened their strategy to beat the opponent.
团队迅速调整策略以击败对手。
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3.The river swiftened its flow as it flowed through the mountains.
河流在流经山间时流速加快。