It is perfectly all right, now and then, for a human to be possessed by the urge to speak, and to speak while others remain silent.
有时候，一个人被说话的冲动所支配，在别人保持沉默的时候说话，这是完全正常的。
Researchers have been determined to figure out how bird flu spreads from human to human worldwide.
研究人员下决心要弄清楚禽流感在全球范围内是如何在人与人之间传播的。
The virus is transmitted to humans by close contact with infected birds or their excrement, and cannot be passed from human to human.
该病毒通过与受感染的鸟类或其粪便的密切接触传播给人类，不能在人与人之间传播。
There is no indication of virus adaptation through transfer from human to pigs at this time.
目前尚无迹象表明病毒通过从人身上转移到猪身上而出现适应性。
After all it is perfectly normal indeed deeply human to be moved when nature presents us with a vision of great beauty.
毕竟，深为自然界呈现给我们的伟大美景而感动完全是正常的、具有深刻人性的事。
Only then, do they remember what it is like to be human to each other and kind, helping each other, no matter one's origin.
只有到这个时候，人们才想起，无论是什么民族，人类之间应该友善、互助。
Frans Bouma takes the bait and counters that "it takes a lot of effort by a human to correctly parse code and fully understand what the code does."
FransBouma接受了挑战，并反击到：“要正确地分析代码和完全理解代码需要耗费很多的努力。”
It is only a matter of time before an avian flu virus - most likely H5N1 - acquires the ability to be transmitted from human to human, sparking the outbreak of human pandemic influenza.
禽流感病毒-很可能是H5N1 -获得能力在人际间传播并引起人类大流行性流感暴发，这只是个时间问题。
To date, since the first human to develop antibodies against Ebola Reston was reported in 1989, no significant human illness has been reported in association with Ebola Reston infection.
迄今，自1989年报告第一起人产生对埃博拉·莱斯顿的抗体以来，未曾报告过与埃博拉·莱斯顿感染相关的重大人类疾病。
The announcement in Florida came on the 30th anniversary of the first space shuttle flight and on the 50th anniversary of Soviet cosmonaut Yuri Gagarin becoming the first human to orbit the earth.
最后结果在佛罗里达州宣布，日期是第一次航天飞机飞行30周年以及苏联宇航员尤里·加加林成为绕地球轨道飞行第一人50周年纪念日。
Whether it's in the construction of a conference call, or considering that there might be a point of view other than our own, the answer is simple: Human beings just have to be human to one another.
不管是否在电话会议中，或者考虑一下可能在我们的想法之外还有其他可能，答案很简单：人只需要相互以人相待。
To ERR is human; to forgive, divine, was the pithy view of Alexander Pope.
是人就会犯错，是神就会宽恕，这是亚历山大·蒲柏观点的精髓。
During the later outbreaks in Bangladesh and India, Nipah virus spread directly from human-to-human through close contact with people's secretions and excretions.
在孟加拉国和印度后来发生的疫情期间，尼帕病毒通过与患者的分泌物和排泄物密切接触直接人传人。
Limited human-to-human transmission may occur under some circumstances, for example, when there is close contact between an infected person and an unprotected caregiver.
数量有限的人际传播可能是在一些条件下发生的，例如，受感染者与不加防护的护理者之间密切接触。
If limited human-to-human transmission has occurred, all evidence at this stage suggests that the chain of transmission ended after a single person was infected.
如果已发生有限的人际传播，这一阶段的所有证据表明，传播链在一人受到感染之后终止。
All prerequisites for the start of a pandemic have therefore been met save one: the establishment of efficient and sustained human-to-human transmission of the virus.
因此，发生大流行的所有前提，只差一个还没有满足：病毒在人与人之间确立有效而持续传播。
This decision was based primarily on epidemiological data demonstrating human-to-human transmission and the ability of the virus to cause community-level outbreaks.
做出这项决定的主要依据是，流行病学资料表明已经发生了人际传播，并且该病毒可在社区层面引发疫情。
The original quote about human nature went like this: "To err is human, to forgive, divine."
关于人性的原话是这样写的：“犯错是人的行为，而宽恕是神的事情。”
Spread in several countries can no longer be traced to clearly-defined chains of human-to-human transmission.
若干国家中的传播已不能追踪到明确界定的人际传播链。
The human deaths from H5N1 have so far occurred as a result of direct infection from birds - except in two outbreaks where rare human-to-human transmission appears to have occurred.
至今所有死于禽流感的患者除了两例罕见人与人之间传播的病例外，均为直接从鸟类感染。
Though rare, instances of limited human-to-human transmission of H5N1 and other avian influenza viruses have occurred in association with outbreaks in poultry and should not be a cause for alarm.
虽然数量很少，H5N1和其它禽流感病毒在人与人之间的有限传播事例毕竟伴随家禽疫情发生了，但这无须惊慌。
All evidence to date suggests that isolated instances of limited, unsustained human-to-human transmission can be expected from avian influenza viruses in humans.
迄今为止，所有证据表明，可预期人间禽流感病毒有限、非持续人际传播的孤立事例。
Experience to date indicates that possible human-to-human transmission has occurred mainly during prolonged close contact of a family member with a patient who was critically ill.
迄今为止的经验表明，可能的人际传播主要发生在家庭成员延长的与危重病人密切接触期间。
It is often impossible to determine if human-to-human transmission has occurred since the family members are exposed to the same animal and environmental sources as well as to one another.
这往往很难确定是否发生了人际传播，因为家庭成员都暴露于同样的动物和环境来源并且彼此接触。
It is often impossible to determine if human-to-human transmission has occurred since the family members are exposed to the same animal and environmental sources as well as to one another.
这往往很难确定是否发生了人际传播，因为家庭成员都暴露于同样的动物和环境来源并且彼此接触。
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