未曾

Antibody responses to hepati tis C virus and its modes of transmission in dialysis patients. Nephron, 1991, 5 9: 2328 Pol S, Romeo R, Zins B et al. Hepa titis C virus RNA in anti-HCV p ositive hemodialyzed patients: significance and therapeutic implications.

本组资料中具有输血史的患者在HCV抗体阳性组中所占的比例明显大于在HCV抗体阴性组中所占的比例，似乎支持这一观点，但另一方面，仍有8例HCV抗体阳性患者未曾有过输血史，提示HD患者存在输血以外其它途径感染的可能［3］。

Though Arab states have lived tetchily with Israel's nukes for decades, no would-be heavyweight wants to be outstripped by Iran, even if the reigning mullahs never actually build a weapon.

尽管阿拉伯国家已经在以色列的核威慑下愤怒地生存了几十年，甚至他们的统治阶层还未曾生产一件武器，但也绝不会有自许聪明的大人物希望自己国家被伊朗所超越。

The economic news, in case you haven't noticed, keeps getting worse.

假如你未曾留意的话，经济新闻带来的消息已经越来越坏。

The northern lights turn the night sky an otherworldly green above Wapusk National Park in Manitoba, Canada.

那北部的光芒改变了夜空，一个未曾见过的绿色光在加拿大中部的国家公园上面。

The organophosphorus nerve agents Tabun, Sarin, and Soman were developed by Germany during World War II but not used.

神经毒气是第二次世界大战期间由德国所研发出来，但未曾使用

Though swordmen novel creation have been elevated to an unprecedented level under their mastermind, there are some obvious differences between their works.

虽然武侠小说在这两位大师笔下都达到了前人未曾企及的高度，但是他们的作品本身还是有着很大的不同的。

Over the years, Sunstar Company's new product development rapid development, coupled with market-oriented, technology-power, so as to enable the business philosophy of customer satisfaction, it is particularly concerned that some owners had not been peer-W24H Service system, and more by the vast number of users praise in the world famous sewing machine rating Medium top.

多年来，Sunstar公司新产品开发飞速发展，加之以市场为导向，以技术为动力，以不断使顾客满意的经营理念，尤为关注的是拥有同行未曾有的W24H服务体系，更加受到了广大用户的的一致好评，在世界缝纫机名牌评比中名列前茅。

The souk抯 unmarried women are distinguished by their brightly colored clothing, while wives wear black.

这露天剧场对于未曾结婚的女子的区别在于穿着明亮的衣服，当是妻子时穿黑色。

Snowfalls, the worst in decades have devastated southern, central and eastern China.

几十年来未曾有过的暴雪已严重影响华南、华中和华东地区。

"Lots of people hate snappers," says snapper hunter John Rogers,"but they don't see the turtle underwater, where it is one beautiful majestic animal."

&许多人讨厌鳄龟，&鳄龟猎人约翰说，&但他们未曾在水底看到过这种海龟，在水里它是种美丽而高贵的动物。&

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。