Edward Giovannucci , a professor of nutrition and epidemiology at the Harvard School of Public Health, added: 'It is very rare a single study should be used to make a broad recommendation.'

在哈佛大学公共卫生学院的营养学和流行病学教授Edward Giovannucci补充道,很少有人会将一次研究结论广泛推荐给大众.

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He suffers from a rare blood disease.

他患有一种罕见的血液病。

《牛津词典》

Bollinger "RD" is a rare, highly prized wine.

是一种罕见的、非常名贵的葡萄酒。

《柯林斯英汉双解大词典》

He died June nineteenth from kidney failure and a rare and painful skin disorder.

VOA: special.2010.07.05

You have a full monarchy in the sense that both-- we in America talk about the separation of church and state, that is a very rare and unusual thing in the history of the world.

他有一个完全政教合一的君主政权,在美国政教是分离的,这在世界历史上很少见

耶鲁公开课 - 古希腊历史简介课程节选

So Roman slavery and the freedom of that was actually one way that a few people in the Ancient World recognized some kind of social mobility, which was very rare in the Roman Empire.

所以罗马奴隶制以及奴隶释放制,被古代部分人认为是,某种社会阶级流动，在罗马帝国很少见。

耶鲁公开课 - 新约课程节选

So what was once a vanishingly rare event becomes a rare one, then a common one.

FORBES: A Dutch Solution for New York's Storm Surge Woes?

But considering how rare a disaster like this is, especially in comparison to car crashes, it raises the question, which mode of transportation is truly the safest?

BBC: What is the safest mode of travel?

"Leprosy is a rare disease and will remain a rare disease, " he says.

CNN: Armadillos linked to leprosy in humans