惊人数量的慢性病是由未知的环境因素引起的。
A surprising number of ailments are caused by unsuspected environmental factors.
这场事故是由放慢了速度看西洋镜的人们引起的。
The accident was caused by people slowing down to rubberneck.
有两件事是由睡眠中呼吸控制的变化引起的。
Two things result from these changes in breathing control that occur during sleep.
技术上的困难往往是由问题的主客观性质引起的。
Technical difficulties often arise from the subjective-objective nature of the problem.
技术上的困难往往是由问题的主客观性质引起的。
Technical difficulties often arise from the subjective-objective nature of the problem.
这不是谷歌著名的自动驾驶汽车第一次发生车祸，但是这是第一次由它引起的撞车事故。
It is not the first time one of Google's famed self-driving cars has been involved in a crash, but it may be the first time it has caused one.
恐龙的消失并不一定是由天文事件引起的。
The disappearance of dinosaurs is not necessarily caused by astronomical incidents.
所有种类的腹泻疾病，都是由肠道病毒引起的。它们感染你的肠道。
The whole category of diarrheal diseases, caused by viruses called enteroviruses. They infect your gut.
这些并发症将大大增加患糖尿病的风险，约75%的死亡是由糖尿病引起的。
The complications will greatly increase the risk of diabetes, by which about 75% of the deaths are caused.
糖尿病是由一组代谢紊乱引起的，代谢紊乱后，血糖水平长期偏高。
Diabetes is caused by a group of metabolic disorders in which there are high blood sugar levels over a long period of time.
1348年的黑死病是由森林树木下腐殖质的逐渐丧失引起的。
The Black Death of 1348 was caused by gradual loss of the humus fertility found under forest trees.
米兰科维奇在20世纪早期提出，冰河时代是由地球绕太阳运行轨道的变化引起的。
Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth's orbit around the Sun.
静脉曲张其实就是肿胀的静脉，这是由腿部和脚部的血量增加和压力引起的。
Varicose veins are really just swollen veins and are caused by increased blood volume and pressure on the legs and feet.
有人能确定这种下降到底是由捕猎还是气候变化引起的吗?
Can anyone be sure if the decline is really caused by the hunting or by climate change?
近年来，由教育机会不平等引起的问题引起了公众的关注。
In recent years the problems which are caused by the inequality of education opportunity have attracted the public's attention.
脚癣是由真菌感染引起的。
受到审问的往往是受害者，更糟糕的是，她被假定为有罪，直到证明强奸并非由她挑逗而引起。
It is the victim who is often put on trial and, to add insult to injury, she is presumed guilty until proven innocent of provoking the rape.
风是由热空气上升产生真空而引起的空气流动。
Wind is a current of air caused by a vacuum caused by hot air rising.
两国间的贸易摩擦是由贸易保护主义者引起的。
Trade frictions between the two countries had been caused by trade protectionists.
死亡是由烟尘吸入导致窒息引起的。
这些症状也许是由病毒感染引起的，而与寄生虫无关。
These symptoms may be referable to virus infection rather than parasites.
霍乱是一种由细菌引起的感染。
袭击事件不是由种族原因引起的。
另一些山脉可能是由地震引起的，地震使地壳断裂，并移动足够的岩石，从而形成块状山脉。
Other mountains may be raised by earthquakes, which fracture the Earth's crust and can displace enough rock to produce block mountains.
这是由地震引起的海浪或海啸造成的灾难。
This is the disaster caused by seismic sea waves, or tsunamis.
它是由眼睛血管受损引起的，会导致视力逐渐丧失和失明。
It is caused by damage to the blood vessels in the eyes, and results in gradual vision loss and blindness.
最近，医生们发现胃溃疡不是由压力、酒精或油腻的食物引起的，而是由一种存在于胃粘膜内壁的细菌引起的。
Recently physicians have determined that stomach ulcers are not caused by stress, alcohol, or rich foods, but a bacterium that dwells in the mucous lining of the stomach.
由恐惧引起的头痛？
并不是所有由社会歧视引起的问题都可以通过沟通来解决。
Not all problems arising from social discrimination can be addressed through communication.
穿透每个关节的疼痛是由气压的变化引起的，例如暴风雨的变化。
The pain that penetrates each joint is brought about by a change in air pressure, such as the change that proceeds a storm.
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