Premature birth is the main cause of perinatal mortality.

早产是围产期死亡的主要原因。

The main cause of women's and children's oppression is patriarchy.

妇女及儿童受欺压的主要根源在于父权制度。

If instead we regard the financing of warfare by taxation in this period as a background condition, then we will see the English reverse themselves as the main cause of the revolt.

如果我们将这一时期的通过税收来支持军事作为背景条件，那么我们就会看到英国人自己的失败反倒是造成反抗的主要原因。

Analysts say the main cause of Mexico's nosedive is that the nation's economy is tied strongly to that of the United States, which is mired in the deepest economic downturn since the 1930s.

分析师说，墨西哥经济急剧下滑的主要原因是墨西哥经济与美国紧密相连，美国目前正陷入19世纪30年代以来最严重的经济衰退。

It is believed that greenhouse gases are the main cause of global warming.

人们相信温室气体是全球变暖的主因。

These compounds are the main cause of acid rain.

这些混合物是酸雨的主要成因。

Obesity does not seem to be the main cause either.

肥胖症似乎也不是主要起因。

The main cause: the growth in the number of researchers.

造成这种局面的主要原因：研究人员数量的增加。

We know greenhouse gases are the main cause of warming

我们知道温室气体是暖化主因

Flying debris is the main cause of broken Windows in tornadoes.

在龙卷风中，飞扬的瓦砾残片是打碎窗户的主要原因。

Young men are the usual victims, and dehydration the main cause.

该病通常多发于年轻男性，脱水是主要病因。

Mr Harper has been the main cause and beneficiary of that process.

而哈珀先生正是这个进程的主要原因和受惠者。

Flying debris is the main cause of injuries and deaths in tornadoes.

飞扬的瓦砾残片是龙卷风中致伤或致死的主要原因。

A: Iodine deficiency is the main cause of brain damage in childhood.

答：碘缺乏症是儿童期脑损伤的主要原因。

Diarrhoea and respiratory infections are the main cause for child deaths in India.

在印度，腹泻和呼吸道感染是造成幼儿死亡的主要原因。

The study found that eating lunch at desks is the main cause of a bug-infested keyboard.

研究发现，在办公桌旁吃午餐是导致键盘细菌滋生的主要原因。

The main cause of this inattention is the unavailability of a proper means to express them.

这种疏忽的主要原因是 没有合适的方法表达它们。

Rising food prices have been the main cause, with the cost of food up 11.7% in the year to March.

日益增长的食品价格是主要原因，一季度食品价格增长11.7%。

It has been the main cause of the technical and weight problems that have bedevilled the programme.

该机种的技术和重量问题一直是困扰项目的主要原因。

The main cause lies in this, that neither the air nor the earth is everywhere in the same condition.

在环境条件相同的情况下，造成天气复杂多变的主要因素，并不是到处存在的空气，也不是地球本身。

It is well known that the main cause of road accidents is drunk driving and driving with over-speed.

众所周知，交通事故的主要原因是酒后驾车和超速行驶。

By early next year, output and jobs could be shrinking. The main cause is the imploding housing market.

急转直下的房地产市场，可能会导致下年年初产出和工作机会的收缩。

As elsewhere in Asia, higher prices for oil and food are the main cause of the jump in headline inflation.

和亚洲其他国家和地区一样，原油和食品价格上升是通胀率上升的主要原因。

For that reason, since heart failure is the main cause of death in such mice, their lifespans were not extended.

这样的话，由于心脏衰竭是此种小白鼠死亡的主要原因，那么他们的生命长度就无法延长。