尽管起源还不确定，专家认为这主要是由该地区频繁的火山喷发所造成的。
Although the origins are uncertain, experts think that this is largely due to the high level of volcanic activity in the area.
这种浑浊是由角膜瓣下角膜组织的炎症反应所造成的。
This clouding can be caused by an inflammation under the flap of cornea tissue.
美国已经被一系列悲惨的枪击致死案件所震惊，其中一起是由一个年纪很小的孩子造成的，枪是他在自己家中找到的。
America had been rocked by a series of tragic shooting deaths, one of them caused by a very young child firing a gun he had found in his apartment.
伟大人物决不为世界所遗忘，但伟大人物不是由逸乐，而是由苦难所造成的。
The world does not forget great characters. But great characters are not made of luxuries, they are made by suffering.
托哈密说，这一方面是由消费支出的改变所造成的，但它同时也反映了企业正在学会弥补这种消费降低带来的损失。
Tohamy said that is, in part, caused by a change in consumer spending, but it is also a reflection of companies learning to compensate for lower spending.
这是由消费者对未来预期的降低所造成的，毋庸置疑这归功于关于美国国债评级，欧洲和道琼斯残酷的利空消息。
That was led by a decline in consumer expectations of the future, no doubt thanks to relentless bad news about America's credit rating, Europe and the Dow.
这是由消费者对未来预期的降低所造成的，毋庸置疑这归功于关于美国国债评级，欧洲和道琼斯残酷的利空消息。
That was led by a decline in consumer expectations of the future, no doubt thanks to relentless bad news about America’s credit rating, Europe and the Dow.
由角膜瓣褶皱所造成的散光或其他角膜瓣的并发症。
New astigmatism caused by wrinkling in the corneal flap or other flap complications.
过去，研究人员认为，患者的“预感”是由大脑中的血管收缩所造成。
Researchers used to think that the aura was caused by blood vessels in the brain narrowing.
“曼哈顿的许多交通量都是由寻找免费街边停车位的车所造成的。”他说。
"Much of the traffic in Manhattan is caused by drivers who are searching for a free curb parking space," he says.
这次飞来横祸是由一颗彗星瓦解造成的，同时地球完全被无数由冰和尘埃组成的冰石所覆盖。
The catastrophe was caused by a disintegrating comet and saw the planet sprayed by thousands of frozen boulders made of ice and dust.
卫生大会的代表们直接面对了由卫生以外各种因素复杂相互作用所造成的重大公共卫生挑战。
Delegates to the health Assembly directly confronted major public health challenges which are now results of complex interactions of factors beyond health.
我乘上另外一架绕过了喷气时代的飞机，在15,000英尺的高度上俯瞰了无边无际的森林，群山和蜿蜒曲折的河流，这都是由时间和自然之伟力所造成。
Flying at 15, 000ft in another aircraft that had bypassed the jet age, we saw a horizon of endless forests, mountains and snaking rivers, shaped by time and the forces of nature.
甚至有传言说，安全机构制造了爆炸事件来掩盖由保养不善所造成的出轨。
There were even rumours that the security agencies staged the explosion to cover up a derailment caused by poor maintenance.
它们常常能有效地避免由不择手段的商业利益团体所造成的损害。
They can often route efficiently around the damage caused by unscrupulous commercial interests.
该小组的结论是：2000年以来所观测到的海平面上升中有25%是由流入的地下水造成的。
The team concluded that groundwater has contributed 25 percent of the sea level rise observed since 2000.
极光这一现象是由“太阳风”所造成的。“太阳风”是太阳发射的带电原子内粒子流，它和大气层中的分子相互发生作用就引起了极光。
The phenomena are caused by the "Solar Wind" - streams of electrically charged sub-atomic particles emitted by the Sun - interacting with molecules in the atmosphere.
上次的问题被认定是由船锚刮拉同一处线缆所造成，并且由于中东地区的线路遭破坏，问题的影响被扩大，使得七千五百万人受到波及。
Those problems were believed to have been caused by anchors ripping through the same cables, and were exacerbated by simultaneous damage to lines through the Middle East.
但他补充说，这都是由相互不理解所造成的。
最近有两个法院的裁定说明了由最近的行政行为所造成最大可能范围内的不确定性。
Two recent court decisions exemplify the full extent of the uncertainty created by the current administration.
因灾害所造成的电力中断，会造成饮用水和补给供应的中断，从而增加了由饮水途径传播疾病的机会。
Power cuts related to disasters may disrupt water treatment and supply plants, thereby increasing the risk for waterborne diseases.
事实上，一些在未饮酒者身上显现的引起死亡的不利因素是由先前的饮酒问题或是已存在的健康问题所造成的。
Indeed, some of the mortality disadvantage seen in nondrinkers is explained by prior problem drinking, or established health problems.
该研究报告表示：“在由饮酒所引发的旷工现象中，很多情况下都是由于酒醉后出现的身体不适感造成的，与重度饮酒者相比，此种行为在那些轻度到中度的饮酒者中显得更为常见一些。”
"A large proportion of alcohol-related absenteeism is due to alcohol hangovers, which are more common for light to moderate drinkers than for heavy drinkers," said the study.
最近有两个法院的裁定说明了由最近的行政行为所造成最大可能范围内的不确定性。
Two recent court decisions exemplify the full extent of the uncertainty created by the current administration. On December 10, the U. S.
最近有两个法院的裁定说明了由最近的行政行为所造成最大可能范围内的不确定性。
Two recent court decisions exemplify the full extent of the uncertainty created by the current administration. On December 10, the U. S.
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