The cause of the disease is difficult to pin down precisely.
病因目前还难以解释清楚。
What's the cause of the disease?
这病的起因是什么？
KF: What is the cause of the disease?
KF：心脏病的病因是什么？
Do you know the cause of the disease?
你知道这种疾病的原因吗?。
The cause of the disease has eluded all research.
这种疾病的原因总是研究不出来。
Scientists searched for the cause of the disease.
科学家们千方百计寻找这种疾病的病因。
The scientist researched the cause of the disease.
那位科学家研究过这种疾病的起因。
The scientists researched the cause of the disease.
科学家研究那种疾病的起因。
Scientists are searching for the cause of the disease.
科学家正在寻找这种疾病的起因。
Our premier task is to find out the cause of the disease.
我们的主要任务是找到疾病的起因。
The map gave a valuable clue about the cause of the disease.
这张地图提供了一条说明霍乱起因的很有 价值的线索。
The map gave a valuable clue about the cause of the disease.
这张地图提供了一条说明霍乱起因的很有价值的线索。
Recent research has shed new light on the cause of the disease.
近期的研究成果对该病的病因有了新的发现。
There have been a lot of explanations as to the cause of the disease.
现在已经有许多种关于这种病的起因的解释。
The cause of the disease is unknown, and it often gets better without treatment.
该疾病的成因不明，而且没有治疗时，往往会对症状有改善。
In the heart, that contributes to the buildup of plaque that can cause heart disease.
对于心脏来说，反式脂肪会促成血小板的沉淀，从而诱发心脏病。
Cardiovascular disease is the biggest cause of mortality in the world, the study said.
研究表明，心血管疾病是死亡率最高的疾病之一。
This is the main cause of recurrence of the disease.
这是引起该病的主要复发的原因。
Heart disease is the top cause of death not just in America, but around the world.
在全世界，不仅是美国，心脏病是造成死亡的头号杀手。
The disease of acuteness wet wart, should cause the attention of people.
尖锐湿疣的发病，应引起人们的注意。
The disease of acuteness wet wart, cause the female patient cannot be pregnant again.
尖锐湿疣的发病，导致女性患者不能再怀孕。
The ultimate cause of the disease is unknown, though it is believed to be hereditary.
尽管它具有遗传性，但最根本的病因还未知。
The recovery period cause of disease carries the condition general duration to be short.
恢复期病原携带状态一般持续时间较短。
The disease is the third leading cause of death in the u.
在美国，该疾病是排在心脏病和癌症之后的第三大死因。
The cardiovascular disease has become the present world developed country the main cause of death.
心血管疾病已成为目前世界发达国家的主要死亡原因。
The W. h. O. says cardiovascular disease is the world's leading cause of death.
世界卫生组织还说，心血管病是世界上导致死亡的主要疾病。
Objective To report the studies on the cause of Keshan disease.
目的报告关于克山病病因的研究结果。
The term pathogenicity denotes the ability of a parasite to cause disease.
致病性这一术语是指寄生物引起疾病的能力。
The term pathogenicity denotes the ability of a parasite to cause disease.
致病性这一术语是指寄生物引起疾病的能力。
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