upgrading
['ʌpgreɪdɪŋ]
n.
浓缩;
v.
提升( upgrade的现在分词 );
使（机器、计算机系统等）升级;
提高（设施、服务等的）档次;
提高（飞机乘客、旅馆住客等）的待遇;
例句:
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Many people are upgrading their mobiles to top-end models.
很多人不断将手机升级到最高档的款式。
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We will press ahead with our plans for upgrading the software.
我们会继续为我们的计划努力,加快进行软件升级.
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Upgrading your leisure time to make it more enjoyable isn't always easy.
升级休闲活动使之带来更多快乐,往往不能令人感到舒心.
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We're upgrading our media player for two principle reasons.
来自BBC
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Find out more about upgrading your browser here
来自BBC
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It desperately needs upgrading to cope with the next generation of content.
来自BBC