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- 吸烟是引起心脏病的一种病因。
Smoking is one of the causes of heart disease.
- 最近的研究结果对该病的病因已有新的了解。
Recent research has shed new light on the causes of the disease.
- 吸烟是许多人患肺癌的致病因素。
Smoking is responsible for many cases of lung cancer.
- 科学家们尚未发现这种病的病因。
Scientists haven't found the pathogeny of the disease.
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海词词典,十七年品牌