The author is virtually unknown outside Poland.
在波兰以外，这位作者实际上鲜为人知。
A hundred years ago coronary heart disease was virtually unknown in America.
100年前，冠心病在美国几乎从未有过。
Pellagra was virtually unknown at that time in the Americas, however, even among people who subsisted primarily on maize.
然而，糙皮病在当时的美洲几乎还不为人所知，甚至在主要以玉米为生的人之间也是如此。
Female education, for instance, was once virtually unknown.
例如，曾几何时，几无女性接受教育。
But in many other parts of the world the sport is virtually unknown.
但是在世界上其他地区这项运动却几乎没人知晓。
Blogs were virtually unknown five years ago; now they are unavoidable.
五年前很少为人所知的博客，如今已妇孺皆知。
In countries like India and China, obesity was virtually unknown until the introduction of a high-fat, Western-style diet.
在许多国家，如印度或中国，直到引进了高脂肪西式饮食，肥胖症这个概念才为人所知。
The Macclesfield Psalter (c. 1335), a jewel of manuscript painting, was virtually unknown before its sale by Sotheby's in 2004.
在麦克尔·斯菲尔德诗篇(约1335)，画的手稿宝石，几乎不明苏富比出售前2004年。
West Africans, and people of West African descent, are susceptible to a disease called sickle-cell anaemia that is virtually unknown elsewhere.
如西非人以及他们的后代易患一种叫做镰状细胞性贫血的疾病，这种病在西非之外几乎都没人听说过。
This famous concert was one of the most important and memorable points in the pianist's career. He was virtually unknown until that evening; he woke up the next morning as a legend.
这是他最重要的音乐会之一，那天之前他是无名人，那天之后他成了传奇。
Her field of choice—Noetic Science—had been virtually unknown when she first heard of it, but in recent years it had started opening new doors of understanding into the power of the human mind.
她的研究方向是神经科学，几年前没有几个人知道这是什么。但在近几年，神经科学已经开始被越来越多的人了解了，因为它为理解人类思维的力量开启了崭新的大门。
Over the years, CERTINA has been associated with sporting greats such as Thomas Lüthi, Alex Crivillé, Robert Kubica and many others, providing support at a time when they were virtually unknown.
多年来，雪铁纳一直伴随着如托马斯Lüthi，亚历Crivillé，罗伯特库比卡和许多其他的体育巨星，在同一时间提供支持时，他们几乎不为人所知。
Over the years, CERTINA has been associated with sporting greats such as Thomas Lüthi, Alex Crivillé, Robert Kubica and many others, providing support at a time when they were virtually unknown.
多年来，雪铁纳一直伴随着如托马斯Lüthi，亚历Crivillé，罗伯特库比卡和许多其他的体育巨星，在同一时间提供支持时，他们几乎不为人所知。
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