Such cases of unexplained hepatitis are not new.

这类原因不明的肝炎病例并不新鲜。

Who for some unexplained reason, was nicknamed Goofy.

不知什么原因，他被昵称为谷飞。

It causes fever, weakness, vomiting and unexplained bleeding.

该病毒会引起发烧、虚弱、呕吐和原因不详的出血等症状。

However, the attacks remain largely unexplained.

然而，这些袭击在很大程度上仍未得到解释。

Uh, it's still an unexplained death right now.

我们只是想要多了解一下薇姬。

But that unexplained little act of friendliness was all that I needed.

但我所需要的就是这种莫名其妙的小小的友好举动。

All those mythical vanishings happened under unknown and unexplained circumstances.

发生的所有这些神秘消失事件都原因不明且无法解释。

The same unexplained ailment affected a number of Americans in Cuba last year.

去年在古巴也出现了类似疾病，但原因无法解释。

The suspension came after a patient in the study had " unexplained illness" .

研究中，一名患者出现" 无法解释的疾病" ，试验因此叫停。

They had 28 samples from children in the Netherlands with unexplained respiratory infections.

他们从荷兰患有不明原因呼吸道感染的儿童身上采集了28个样本。

You have unexplained psychological symptoms Do you feel more anxious and panicky than before?

你有无法解释的心理症状你有感到比以前更焦虑和恐慌了吗？

A 1903 medical phrasebook for Luganda, a Bantu language, offers the unexplained but authoritative: " Keep everything you vomit."

1903年，一本班图语系卢甘达语的医学术语手册中写到了一句原因不明但看起来十分笃定的话：“把你的呕吐物都留下。”

He smiled, holding my glance, trying to lift me out of my sudden, unexplained dejection.

他微笑着，抓住了我的视线，试图把我从那阵突如其来的，无法解释的沮丧中拉出来。

In fact, he says he's been experiencing sudden and unexplained bouts of drunkenness for years.

其实，他说多年来，自己一直在经历突然而无法解释的醉酒感。

Scientists don't know exactly where Ebola comes from. It causes fever, weakness, vomiting and unexplained bleeding.

科学家们也不知道埃博拉的确切来源。 它会引起发热、虚弱、呕吐和不明原因的出血。

The Oxford study was briefly suspended in September because of an unexplained illness in a volunteer.

牛津大学的这项研究曾于9月份暂停，原因是一名志愿者出现无法解释的疾病。

" I'm very glad to find the unexplained cause of the rotation pole drift, " Seo said.

“我很高兴找到了自转极漂移的不明原因，”徐基文说。

This helped them deduce that the vast unexplained mass present in the foreground is composed of dark matter.

他们推断出前景中大量而无法解释的物质是由暗物质组成的。

" Um, it doesn't help with the Charlie situation if an unexplained Volvo is left in the driveway."

“呃，如果一辆不请自来的沃尔沃停在车道上，对查理的情形不会有任何帮助的。”

The American Gastroenterological Association says people with unexplained diarrhea, nausea and stomach pain should be tested for the syndrome.

美国胃肠病学会表示，有不明原因的腹泻、恶心和胃痛的人应该检测是否患有这种综合征。