The author of the attack is still unknown.

仍然没有锁定此次袭击事件的幕后。

Medical researchers suspected the deadly Marburg virus to be the culprit.

医学家曾怀疑高危的马尔堡病毒是。

DNA analysis revealed that Micrococcus bacteria were to blame.

而经DNA分析表明微球细菌是臭味的。

China says the United States is the biggest culprit in the world's refugee crisis.

中国表示，美国是世界难民危机的最大。

The Boko Haram terrorist group was blamed for the abductions.

博科圣地恐怖组织被认为是绑架事件的。

You just heard that Boko Haram is the group responsible for the kidnapping.

你只是听说博科圣地团是这次绑架事件的。

Diarrhea, pneumonia and malaria are the leading causes of death among young children in Ethiopia.

腹泻、肺炎和疟疾是导致埃塞俄比亚儿童死亡的主要。

The group was behind the recent attack on Nairobi's Westgate mall.

该团是最近内罗毕韦斯特盖特购物中心袭击事件的幕后。

Climate change. It's the culprit behind an increase in droughts and floods, wildfires and storms.

气候变化——干旱和洪水、野火和风暴增加背后的。

We support all efforts to bring those who ordered Munir assassinated to account.

我们支持所有将暗杀慕尼尔的们揪出来的所有努力。

Authorities say, they don't know who's responsible for the deaths of the McClelland's and Hasse.

当局表示还不知道造成麦克利兰和哈斯死亡的是谁。

They said either South Africa or Renamo caused the crash.

他们说，南非和莫桑比克全国抵抗运动都不是此次飞机失事的。

As waste and disease piled up, Romans pointed to the stink as the cause of sickness.

随着废物和疾病的堆积，罗马人发现臭味是疾病产生的。

It is hay fever, an allergic reaction to pollen from trees, grass and other plants.

其实是花粉过敏症，这是人们对草木以及其他植物的花粉产生的过敏反应。

And I might be able to find one of the culprits down here, although they're quite tricky to spot.

我也许能找到其中的一个，虽然要找到它们有点棘手。

So was this the dinosaur responsible for the gash marks on the bones found at the Colorado site?

那么在科罗拉多石场找到的骨头上的沟痕是不是就是这种恐龙呢？

Could emulsifiers cause the same health consequences in humans and be behind some of the obesity trend?

而对于人类而言乳化剂是否会引发同样的健康问题并且是造成肥胖的幕后?

Now, that's the terrorist group that was responsible for last month deadly attack in the shopping mall in Kenya.

现在, 这一恐怖组织就是上个肯尼亚购物中心致命袭击的。

Methane gas, one of the culprits of global warming, is, ironically, a by-product of wet lowland rice cultivation.

具有讽刺意味的是，全球变暖的之一，甲烷，居然是低洼的湿地水稻农业的副产物。

Scientists find likely culprit behind mystery child hepatitis outbreak — and Covid itself is NOT to blame.

科学家们发现了神秘儿童肝炎爆发背后的可能罪魁祸首——而新冠病毒本身不是其中的。