病因目前还难以解释清楚。
The cause of the disease is difficult to pin down precisely.
医疗当局对其病因及有多致命都还不怎么了解。
Medical authorities were baffled, both as to its causes and its virulence.
科学家们已经发现一个似乎是亨廷顿病病因的遗传突变。
Scientists have found a genetic mutation that appears to be the cause of Huntington's disease.
尽管癌症的病因正被揭开，但我们还没有任何预防它的有效的方法。
Although the causes of cancer are being uncovered, we do not yet have any practical way to prevent it.
凯斯从希腊、意大利、克罗地亚、塞尔维亚、日本、芬兰、荷兰和美国的近1.3万名男性中收集了心脏病及其潜在病因的数据。
Keys gathered data on heart disease and its potential causes from nearly 13,000 men in Greece, Italy, Croatia, Serbia, Japan, Finland, the Netherlands, and the United States.
医生们难以判定她的确切病因。
Doctors found it hard to establish the precise nature of her illness.
抽烟是引起几种严重疾病的病因。
一直以来你都在怀疑自己的病因，你是在和一个无形的敌人斗争。
All the time you are in doubt about the cause of your illness, you are fighting against an invisible enemy.
没有一个医生知道这种病的病因。
钟南山花了很多时间来寻找病因。
专家们终于查明了她的病因。
氧自由基学说应该是老年性聋的发病病因。
The oxygen radicals theory should be the etiology of presbyacusis.
HHV-6B 原发性感染是儿童常见疾病猝发疹的病因。
HHV-6B primary infection is the cause of the common childhood illness exanthem subitum.
分析结直肠癌术后胃瘫综合征（PGS）发生的病因、治疗方法和疗效。
Analyze the etiology, therapeutic methods and curative effect of postoperative gastroplegia syndrome (PGS) after radical colectomy and proctectomy.
该研究的目的是研究复发性结节性非化脓性脂膜炎的病因、临床表现以及治疗方法。
The purpose of this study was to investigate the etiology, clinic featuer, and therapy of recurrent nodular nonsuppurative.
病因未详。
病因包括外伤，类固醇使用和自发病。
治疗内在病因对缓解疼痛很重要。
经前综合症的确切病因尚未完全了解。
KF：心脏病的病因是什么？
行政浪费之症“病因”何在？
哪个更是自闭症的病因：基因还是环境？
贫血有很多类型，每种都有不同的病因。
而对病因达成一致则花费了更长的时间。
And it took longer still to reach any kind of agreement on its cause.
听力障碍和耳聋的病因。
该病通常多发于年轻男性，脱水是主要病因。
Young men are the usual victims, and dehydration the main cause.
少数良性病毒可以产生致病因子。
这种细菌引起胃炎，也是胃溃肠最常见的病因。
They cause gastritis, and are also the most common cause of stomach ulcers.
这种细菌引起胃炎，也是胃溃肠最常见的病因。
They cause gastritis, and are also the most common cause of stomach ulcers.
应用推荐