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- A major cause of the disease in this area is unclean water. 这个地区疾病的主要原因是水不清洁。
- As yet littleis known of the cause of the disease. 造成这种疾病的原因迄今几乎一无所知。
- Do you know the cause of the disease? 你知道这种疾病的原因吗?
- Recent research has shed new light on the causes of the disease. 最近的研究结果对该病的病因已有新的了解。
- The scientist researched the cause of the disease . 这位科学家曾研究过这种病的原因。
- Causes of the disease have been well documented. 这种疾病的起因已有完备的记载。
- The cause of the disease is unknown to the human. 人类还不知道这种病的原因。
- The scientist researched the cause of the disease. 这位科学家曾研究过这种病的原因。
- They researched into the causes of the disease. 他们研究了这种疾病的起因。
- His work on the cause of the diseases is of premier importance to the whole world. 他的病理研究工作对全世界至关重要。
- The cause of the disease will come to light sooner or later. 病因迟早会被找出来。
- Recent research has shed new light on the cause of the disease. 最近的研究结果对该病的病因已有新的了解。
- Recent research have shed new light on the cause of the disease. 最近的研究结果对该病的病因已有新的了解。
- They researched into the causes of the disease . 他们曾研究过这种病的原因。
- Recent research has thrown new light on the cause of the disease. 最近的研究结果对该病的病因已有了新的了解。
- The cause of the disease is difficult to pin down precisely. 病因目前还难于解释清楚。
- Active causes of the disease should be isolated from other cattle. 活动性病例应与其它牛隔开。
- Recent research has thrown new light on the causes of the disease. 最近的研究可以使人进一步了解导致这种疾病的原因。
- Research has cast new light on the causes of the disease. 最近的研究进一步说明了这种疾病的原因。
- The prime cause of the trouble was bad management. 造成麻烦的根本原因在於管理不善。
