improvement的英语例句
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CBS's ratings again showed huge improvement over the previous year.
与前一年相比,哥伦比亚广播公司的收视率再次大幅提高。
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The system we introduced in 1980 has been a great improvement.
我们1980年引进的系统有了很大改进。
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Compact discs have brought about a vast improvement in recorded sound quality.
激光唱片极大地提高了录音的音质。
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