动词
中文翻译：减少
同义词：
['decrease', 'diminish', 'lessen']
例句：
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1.The amount of oil used in the engine has been reduced by 20%.
发动机中使用的油量已经减少了20%。
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2.The population is expected to decrease by 5% over the next decade.
预计未来十年人口将减少5%。
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3. The cost of living has been reduced by the government's stimulus package.
政府的刺激计划已降低了生活成本。