知识扩展
词组短语 high fidelity高保真度；acoustic fidelity声音保真度；声音逼真度

中文词源： fidelity 忠诚 来自拉丁语fides, 相信，信仰，词源同faith. 引申词义忠诚。 fidelity
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常见考点例句：

This fidelity kept mr brown in government . It will also change his government .

内阁的忠诚使布朗仍然坐镇本届政府，但也将改变他的政府。

Sustained fidelity in a long-term intimate relationship creates a healthy foundation for everything else you do .

在一段长期的亲密关系中保持持久的忠诚，会为你做任何事情创造一个健康的基础。

Another big plus is fidelity with windows documents .

另一大优点则是重现windows文件时体现的视觉保真度。

In savage love his weekly column he inveighs against the american obsession with strict fidelity .

在他的每周专栏“savage看爱情”中，他猛烈的抨击了美国人对“绝对忠贞”的盲目痴迷。

Third , these apps often lack full fidelity with office on a pc or mac , especially for complex documents .

第三，对于pc机或mac电脑上的office文档，尤其是复杂文档来说，这些应用程式通常无法做到完全保真。