名词
中文翻译：Unknown
同义词：
['enhancement', 'enhancement', 'improvement例句：1. The company has made significant improvements in its product quality.（该公司在产品质量上取得了显著的改进。）']
例句：
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1. The company has made significant improvements in its product quality.
该公司在产品质量上取得了显著的改进。
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2. The teacher suggested that the class could make some improvements to their presentations.
老师建议学生们可以对他们的演讲做出一些改进。
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3. The new software offers several improvements over the old version.
这款新软件比旧版本有多项改进。