However, the exact cause of many sightings still remains a mystery.
然而，许多目击事件的确切原因仍然是个谜。
Although the virus can cause very severe and fatal illness, also in young and healthy people, the number of such cases remains small.
虽然该病毒可造成很严重和致命的疾病，包括在年轻和健康的人群中，但此类病例的数量仍然很少。
In many ways, the cause of global harmony remains precariously poised.
从很多方面讲，全球和谐的事业依然千钧一发。
Smoking remains the leading cause of preventable death and has negative health impacts on people at all stages of life.
吸烟仍是那些可预防性死亡的首要元凶，在生命的各个阶段对人体健康都有消极影响。
The cause of the accident remains unknown.
事故的原因仍不清楚。
The attacks cause her to lose control of her body and she collapses into a deep sleep - although she remains conscious throughout。
这种疾病使艾伦失去对自己身体的控制，虽然她还处于清醒状态，但是整个身体已经陷入深度睡眠阶段。
The precise cause of the disaster remains uncertain, so there is no way to know what role, if any, the signaling assembly may have played.
此次事故的确切原因仍不确定，所以无法知道信号系统对事故的发生可能起到了何种作用（如果确实起了作用的话）。
Still, the underlying cause of Max's autism remains a mystery -- a situation his parents hope to change.
然而，马克斯所患孤独症的根本病因依旧是个谜——他的父母希望改变这一现状。
Lung infection remains the only leading infectious cause of death.
肺感染依然是唯一主要的传染性死亡原因。
Alcohol remains a major cause of liver disease, said the report by the International Scientific Forum on alcohol Research. But it is excessive alcohol that does the damage.
这项由国际科学论坛酒精饮料研究组发起的调查指出，酒精是诱发肝病的主要原因，过度饮酒会对肝脏造成损伤。
Tobacco use remains the leading cause of preventable death in the United States, according to the Centers for Disease Control, and is to blame for about 85% of lung cancers.
依照疾病防控中心所说，食用烟草在美国一直是引发可预防性死亡的主要原因，85%的肺癌也把吸烟当作元凶。
And though the magnitude of any future warming remains unclear, human activity seems the most likely cause.
虽然未来变暖的程度我们尚未清楚，但是很明显，人类活动是最大的因素。
Furthermore, the ultimate cause of the disease remains obscure, which makes it hard to gauge the appropriateness of an intervention.
更进一步来看，主要致病原因仍不明朗，它造成的结果是，很难制定一个统一标准来考察干涉方案的适宜性。
Police have not determined a cause of death, and much remains unknown about the circumstances of her demise.
警方暂未确认死因，因此关于她的死因还是个未知数。
The cause of the 1995 fire remains a mystery.Mr o 'rahilly died of a heart attack in 2005.
1995年火灾的起因仍是个迷，摄影者托尼2005年死于心脏病。
Cancer remains a leading cause of death in the United States, killing over a half million Americans annually.
在美国，癌症仍然是导致死亡的元凶之一，每年超过50万的美国人因此丧生。
Investigators would be seeking to identify the remains and establish the cause of death, Tilak representatives were quoted as saying by Austria's Die Presse newspaper.
奥地利《新闻报》援引Tilak公司代表的话说，调查人员将竭尽全力确定受害者的身份并查明死因。
The cause of his death remains a mystery.
他死亡的原因仍然是个谜。
He cause of the rampage involving Kyrgyz and ethnic Uzbeks, which began in Osh, Kyrgyzstan's second-largest city, remains unclear.
这次事件发生在吉尔吉斯斯坦的第二大城市——奥什，开端不明，双方为吉尔吉斯族和乌兹别克族。
The exact cause of the plane crash remains a mystery.
飞机失事的准确原因仍然是一个谜。
Others said ships had "mysteriously vanished" when their remains had actually been found and the cause of their sinking explained.
其他人说，船虽然“神秘地消失”了，可事实上却找到了它们的残骸和其沉没的原因。
Even though the incidence is declining, gastric cancer remains the second leading cause of cancer death worldwide, and about 60% of new cases occur in eastern Asia.
即使胃癌的发病率在逐年下降，但是胃癌仍然是世界第二大致死性肿瘤疾病，在东亚每年有近60%胃癌新发病患者。
Pancreatic cancer is the fourth leading cause of cancer death and remains mostly intractable to existing treatments.
胰腺癌作为第四大导致死亡的癌症，以现有的治疗方法，仍然非常棘手。
While scientists know the cause of the aurora, exactly how it affects earth is still in question. Though infrared cameras have captured solar storms, the aurora remains a mystery.
虽然科学家知道了极光的成因，但是它究竟如何影响地球仍是一个疑问。尽管红外线摄像机能够捕捉到太阳风暴，而极光依然是一种神秘之物。
It's a novel approach for treating cardiovascular disease which remains the world's leading cause of death.
这是治疗心血管疾病的一种新途径，心血管疾病仍是当今世界的头号死亡原因。
All corrosion which you find must be immediately and fully removed, because corrosion which remains will cause new corrosion and further decrease the strength of the structure.
被发现的腐蚀必需立即完全去除，因为余留的腐蚀会造成新的腐蚀并进一步减弱结构强度。
The American cancer Society reports that while the incidence of pancreatic cancer has decreased over the last few years, it remains the fourth most common cause of cancer-related death.
美国癌症学会报告虽然胰腺癌发病率在最近的几年里有所下降，但它仍然是第四大癌症相关死亡常见原因。
The American cancer Society reports that while the incidence of pancreatic cancer has decreased over the last few years, it remains the fourth most common cause of cancer-related death.
美国癌症学会报告虽然胰腺癌发病率在最近的几年里有所下降，但它仍然是第四大癌症相关死亡常见原因。
应用推荐