Lung and stomach cancer together cause the death of about 1.5 million people, the other types of cancer considerably less.

肺癌和胃癌总共导致一百五十万人死亡，其它类型的肿瘤更少。

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The immediate cause of death is unknown.

造成死亡的直接原因不明。

《牛津词典》

Smoking is the biggest preventable cause of death and disease.

吸烟是造成不必要疾病和死亡的最大原因。

《柯林斯英汉双解大词典》

He was forty years old. Over the years,historians and medical experts have tried to explain the cause of Poe's death.

VOA: special.2009.02.02

However, I think I will share with you that the cause of his death was in fact, related to his research here, even though it was a little more tangled up.

并没有杀死他,但我告诉你们,他的死，和他的研究有很大关系。

麻省理工公开课 - 化学原理课程节选

Malaria causes a million deaths per year, and schistosomiasis, which is a parasitic disease, is unfortunately a common cause of death in the world.

疟疾每年造成一百万死亡,而血吸虫病,这是一种寄生虫病,不幸的是,它是世界上很常见的死因

耶鲁公开课 - 生物医学工程探索课程节选

The gene is thought to cause the death of cells, which can in turn lead to diseases including cancer.

BBC: Chicken virus study sheds light on human cancers

COMMANDED, at some hour after 6:00 p.m. on the 17th day of February, 2004, at the Department of Criminal Justice in Huntsville, Texas, to carry out this sentence of death by intravenous injection of a substance or substances in a lethal quantity sufficient to cause the death of said Cameron Todd Willingham.

NEWYORKER: Trial by Fire

So the use of the device changed the cause of death but not the overall number of deaths in this early period after a heart attack.

FORBES: Practicing Medicine Against the Evidence: The Case of Implantable Defibrillators