1856年，18岁的理科生威廉·珀金在做实验时注意到一些奇怪的事情。
In 1856, William Perkin, an 18-year-old science student, noticed something strange while doing an experiment.
人类还以其他方式对食肉植物产生威胁。
“你知道，我会生病的。”达琳先生威胁说。
"I shall be sick, you know," Mr. Darling said threateningly.
它们可以对一些本地物种产生威胁，甚至摧毁和取代其他物种。
They can threaten some native species or even destroy and replace others.
她知道李相花会对她产生威胁。
本文的主要作者是研究生威廉·怀斯。
不，巴基斯坦并未对任何国家产生威胁。
但是他担心不断高升的能源价格会对它们同时产生威胁。
他还传教了许多弟子，包括著名的外科和产科医生威廉·亨特。
He taught many pupils, including the famous surgeon and obstetrician William Hunter.
任何时候，只要有化生威胁，你首先听到的讨论就是防毒面具。
Any time there is a threat of biological or che mical attack, the first thing you hear about is gas masks.
他还说目前实施的一些危机应对措施可能会对英国的利益产生威胁。
He added that some of the measures put in place to deal with the crisis could pose a threat to British interests.
“我确实收到了一些负面评论，”耶鲁18岁的大一新生威尔逊说。
"I actually did get a lot of negative comments," says Ms. Broussard-Wilson, 18, now a freshman at Yale. "Teachers told me, 'You may have taken one of the spots from someone else at our school.'"
他说现在过于强调气候改变是对地球产生威胁的环境退化问题的唯一形式。
He says there is an over-emphasis on climate change as the only form of environmental degradation that poses challenges to the planet.
该新条例确认疾病不受国界的限制，迫切需要它们帮助限制对公共卫生威胁。
These new regulations recognize that diseases do not respect national boundaries. They are urgently needed to help limit the threats to public health.
最近几十年的经验显示，没有一个国家能够独自防范疾病及其它公共卫生威胁。
The experience of recent decades shows that no individual country can protect itself from diseases and other public health threats.
如果这些成为事实，那么它对由任何哲学家以任何方式定义的自由意志产生威胁。
If that were the case then it would threaten free will on any definition by any philosopher.
最近的经验表明，从根源上处理公共卫生威胁是减少其国际传播可能性的最有效方法。
Recent experience shows that addressing public health threats at their source is the most effective way to reduce their potential to spread internationally.
代表们一致认为，在许多国家，霍乱依然是一项公共卫生威胁，其发病率仍呈上升趋势。
Delegates agreed that cholera remains public health threat for many countries and the incidence is on the rise.
干预措施的战略性推广削弱了疟疾的影响，这是应对与贫困相关的卫生威胁的关键一步。
The strategic scale-up that is eroding malaria’s influence is a critical step in the effort to combat poverty-related health threats.
气候变化是一个新出现的重大公共卫生威胁，这改变了我们必须考虑保护脆弱群体的方式。
Climate change is a significant and emerging threat to public health, and changes the way we must look at protecting vulnerable populations.
在二十一世纪中，以协调良好的行动迅速应对卫生威胁的能力对于公共卫生是必不可少的。
The capacity to respond to health threats quickly with well-coordinated action is indispensable for public health in the twenty-first century.
如果不掌握确凿的科学事实，而公共卫生威胁很可能发生但并不确定，则如何来决定政策？
How do you determine policy when you don't have the hard scientific facts and when a public health threat is probable but not certain?
但该公司还是坚称，工厂的排放不会对人们的健康产生威胁，因为那些物质最终会被河水稀释。
Company officials say the emissions by the plant will not pose health risks, because they will be diluted in the river.
《条例》包括一系列全面和经验证的规定和程序，将有助于使世界更充分地避免全球卫生威胁。
The Regulations consist of a comprehensive and tested set of rules and procedures which will help to make the world more secure from threats to global health.
纳贾法巴迪指出，伊朗是世界第三大玩具进口国，这将对年轻一代的“个性与身份认同”产生威胁。
Najafabadi, a high-ranking cleric, said Iran was the world's third biggest importer of toys and suggested this posed a threat to the "personality and identity" of the new generation.
新条例要求各国在24小时内将所发生的任何全球性卫生威胁通告who，这是它们常常没有做到的。
The new treaty commits countries to tell her within 24 hours of any emerging global health threat, something they have often failed to do.
新条例要求各国在24小时内将所发生的任何全球性卫生威胁通告who，这是它们常常没有做到的。
The new treaty commits countries to tell her within 24 hours of any emerging global health threat, something they have often failed to do.
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