Meanwhile, the deadliest strains of the virus perished with their hosts as natural selection favored strains that could infect hosts but not kill them.
同时，由于自然选择更倾向于选择那些能够感染宿主但不致其死亡的病毒，这种致命病毒便随着宿主的死亡而消失。
What is the deadliest disease in the world?
什么病是世界上最致命的疾病？
Q: What is the deadliest disease in the world?
问：什么病是世界上最致命的疾病？
This was the deadliest insult he could hear.
这是他所能听到的最伤人的侮辱。
The blast is the deadliest attack in Pakistan this year.
这次爆炸是巴基斯坦今年遭遇的死伤最严重的袭击。
It is, she read, the deadliest of all the tick-borne illnesses.
她读到，这是所有的壁虱传播的疾病中最致命的一种。
This is the deadliest university shooting in American history.
这是美国有史以来最严重的一次校园枪击事件。
But some of the deadliest earthquakes are the ones that create fires.
但最致命的一些地震在于它们能导致火灾。
About 60, 000 people were killed in one of the deadliest earthquakes to hit South Asia.
这个在南亚发生的最致命之一的地震使60000人丧生。
The U. S. Civil War began 150 years ago this week and became the deadliest conflict in U.
美国内战开始于150周年前的这个星期，成为美国历史上伤亡最惨重的冲突。
This sounds like a quirky Trivial Pursuit answer — what is the deadliest garment in history?
这听起来像一道智力题的离奇答案——历史上最致命的穿戴物是什么？
More than two Britons under 35 are diagnosed with the deadliest form of skin cancer every day.
每天，至少有两个35岁以下的英国人被确诊患上最致命的皮肤癌。
Lung cancer may be one of the deadliest forms of cancer, but it's also one of the most preventable.
肺癌或许是最致命的癌症，但是也是最具预防性的。
The conceited, arrogant feeling of pride has been called the deadliest of the seven deadly SINS.
傲慢自负的骄傲感已经被称作七宗原罪中最致命的一种。
One of the deadliest habits that chip away at children's self-confidence is any form of stereotyping.
而蚕食孩子自信的最致命的习惯之一就是各种形式的老套成见。
Mosquitoes transmit the parasite, Plasmodium, that causes malaria, one the deadliest diseases on Earth.
蚊子传播疟原虫，引发疟疾，是一种致死性强的世界性疾病。
What Happened: he was intent on discovering a cure for one of the deadliest diseases in the world, malaria.
经过：帕金斯一心一意想要找出治疗疟疾这一世上最致命的疾病的方法。
A rapid drop in oxygen and extraordinarily cold conditions would be just two of the deadliest consequences.
两个最致命的后果是氧含量的快速下降和极冷的条件。
Even if one USES the low estimate of 6, 000 victims, this storm remains the deadliest ever to hit the U.S. coast.
即使采用最低遇难者的估计数6,000人，这场风暴依然是有史以来袭击美国海岸最致命的一次风暴。
Research suggests that it may protect against colon cancer as well as melanoma, the deadliest form of skin cancer.
研究还表明，姜黄可以预防结肠癌以及恶性最大的皮肤癌——黑色素瘤。
In January, one of the deadliest earthquakes in history struck Haiti, already the poorest country in the Western hemisphere.
一月，历史上造成伤亡最惨重的地震之一袭击了海地这个已是西半球最贫穷的国家。
If there are no survivors it would be the world's worst aviation disaster since 2001, and the deadliest in Air France's 75-year history.
如果没有幸存者，那么这将是自2001年以来世界上最严重的空难，也是法航75年历史中最严重的空难。
Rather, it is the fact that botulinum neurotoxin, in its pure form, is "the deadliest substance known to science," according to Coleman and Zilinskas.
据科曼和西林萨克斯说，是因为“高纯度的肉毒毒素是目前科学已知的最致命的毒素”。
A passenger plane has crashed into a remote hillside near Pakistan's capital, killing all 152 people on board, in the deadliest crash ever in the country.
一架载有152名乘客的飞机在巴基斯坦首都附近的偏僻山区坠毁，机上人员全部身亡。这是巴基斯坦史上最严重的坠机事件。
Heat waves rarely make lists of the deadliest natural disasters, but in modern times their death tolls have surpassed other phenomena in the United States.
热浪很少列入了最惨重的自然灾害，但在近代，在美国由此引起的死亡人数已经超过了其他的自然现象。
Prior to Monday’s accident, the deadliest rail incident in recent memory occurred in 1997, when two trains collided in the central province of Hunan, killing more than 100 people.
本次事故之前，在人们记忆中最近的一次严重事故发生在1997年的湖南，那一次的事故造成了超过一百人的死亡。
"As drivers get ready for the holiday weekend, they can use this tool to learn about the deadliest spots on their routes," Horan said. "That awareness helps drivers focus on staying safe."
Horan说，当人们在假期或周末要驾车出门的时候，他们可以通过这个网站事先了解途中最容易出事的地点，从而使得驾驶员在驾驶途中能注意安全。
Earthquakes, heat waves, floods, volcanoes, super typhoons, blizzards, landslides and droughts killed at least a quarter million people in 2010 - the deadliest year in more than a generation.
2010年死于地震、热浪、洪灾、火山喷发、超强台风、暴风雪、山体滑坡和干旱的人数超过了25万人，是30多年来死亡人数最多的一年。
Earthquakes, heat waves, floods, volcanoes, super typhoons, blizzards, landslides and droughts killed at least a quarter million people in 2010 - the deadliest year in more than a generation.
2010年死于地震、热浪、洪灾、火山喷发、超强台风、暴风雪、山体滑坡和干旱的人数超过了25万人，是30多年来死亡人数最多的一年。
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