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| VERB |
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| /ʌpˈgreɪd/ |
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| 1 | I/T to make a computer or other machine more powerful or effective 使（计算机或其他机器）升级 |
| The system has been upgraded to meet customers’ needs. 系统已经升级，以满足消费者的需要。 |
| +to You’ ll need to upgrade to 128Mb RAM to run these programs. 要运行这些程序，你需要升级到128兆内存。 |
| +from Existing users can upgrade from the previous version free of charge. 老用户可以免费升级旧版本。 |
| | 1a | T to improve the quality of a service or product 提高（服务或产品）的质量 | | £1.5 million is being spent on upgrading security procedures. 150万英镑正被用于加强安检措施。 | |
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| 2 | T to officially give someone or something a higher status 提升（某人）；使升格 |
| Four of the five regions have now been upgraded to republics. 5个地区中有4个现已升格为共和国。 |
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