Premature birth is the main cause of perinatal mortality.
早产是围产期死亡的主要原因。
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。
Smoking is the main cause of death in America.
在美国吸烟是导致死亡的主要因素。
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。
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。
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。
The main cause of increased inequality, especially in China, is the differing fortunes of rural and urban households.
不平等加剧的主要原因在于农村与城市家庭命运的不同，在中国尤其如此。
That is the main cause of low productivity and wages, and means that the legal minimum wage has less social impact.
这也意味着，合法最低工资所产生的社会影响微乎其微。
All new ones are required to install filters in their smokestacks to remove sulphur dioxide, the main cause of acid rain.
所有新建电厂都要求在其烟囱上安装过滤装备以去除二氧化硫——酸雨的主要原因。
The proliferation of machinery such as fancy scanners, once applauded, is now criticised as a main cause of runaway health costs.
那些一度被拍手叫好的神奇扫描仪的大量应用现在被批评是造成医疗保健开支失控的一个主要原因。
Italy, considered too big to bail out, has replaced Greece as the main cause for concern in the euro zone's sovereign debt crisis.
意大利债务规模过于庞大，援助难以实现。目前，意大利已取代希腊，成为欧元区主权债务危机的新焦点。
In the 2009 study, Trenberth and his colleagues identified the influence of climate change on rainfall as the main cause of river decline.
在2009年的研究中，Kevin Trenberth和他的同事们证实气候变化对降雨量的影响是造成河流流量下降的主要原因。
In the 2009 study, Trenberth and his colleagues identified the influence of climate change on rainfall as the main cause of river decline.
在2009年的研究中，Kevin Trenberth和他的同事们证实气候变化对降雨量的影响是造成河流流量下降的主要原因。
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