从希腊时代到第一次世界大战，它的工作很简单：与致命疾病和严重残疾作斗争，确保生育以及减少病痛。
From the Greeks to the Great War, its job was simple: to struggle with lethal diseases and gross disabilities, to ensure live births, and to manage pain.
一次被遗忘的升级，可能导致严重的错误和成本代价，特别是如果升级是非常重要的需求时更是这样，例如飞机和医疗设备的更新情况。
One forgotten update can be the cause for severe damage and costs, especially if it is an important requirement for, as an example, an aircraft or a medical device.
欧洲北海采油平台严重的石油和天然气的泄漏事件基本上平均每周发生一次，采掘石油的公司均承诺尽所有可能去提高采油安全。
Serious spills of oil and gas from North Sea platforms are occurring at the rate of one a week, undermining oil companies' claims to be doing everything possible to improve the safety of rigs.
在他常年扮演童话里坏人的媒体行业，默多克经历并送走很多流言蜚语和丑闻，但是没有一次像这次这么严重。
During his long career as the pantomime villain of the media world, Rupert Murdoch has seen out many scandals, but nothing like this one.
在他常年扮演童话里坏人的媒体行业，默多克经历并送走很多流言蜚语和丑闻，但是没有一次像这次这么严重。
During his long career as the pantomime villain of the media world, Rupert Murdoch has seen out many scandals, but nothing like this one.
在尼日尔，约占总人口一半的700多万人在一次严重旱灾中失去了庄稼和牲口。
In Niger, more than 7 million people, about half of the population, lost their crops and livestock in a severe drought.
2008年12月的一次严重洪灾再次让人们注意到威尼斯脆弱的状态和即将成为水下城市的命运。
A severe flood in December 2008 brought renewed attention to Venice's vulnerable state and imminent fate as an underwater city.
在历史上，严重金融危机之后必定跟随着增长缓慢和经济不振，而最近的这次金融危机是有史以来最严重的一次。
Historically, big financial crises have been followed by long periods of slow growth and economic malaise, and the recent crisis has been bigger than most.
研究第一次发现情绪和青春痘之间的线性关系：心理疾病症状越严重，青春痘发作越严重。
The study found, for the first time, a linear relationship between mood and pimples: the worse the mental-illness symptoms, the worse the acne.
虽然下一次大流行的时间和严重程度很难预测，但发生大流行的可能性已经增加。
While neither the timing nor the severity of the next pandemic can be predicted, the probability that a pandemic will occur has increased.
洪水过后多爆发霍乱和黄热病。最严重的一次是1853年爆发的黄热病，造成约8,000多人死亡。
The results were sporadic outbreaks of cholera and yellow fever, the worst of which was the yellow fever epidemic of 1853, accounting for more than 8, 000 deaths.
发生在安得拉邦和卡纳塔克邦的这次洪灾是近几十年来最严重的一次。
The floods, in Andhra Pradesh and Karnataka states, are the worst in decades.
虽然这场火灾是美国有史以来最严重的一次森林火灾，而且德克萨斯及其与俄克拉荷马州和新墨西哥州相邻的地区比往常时候更为干旱，旱情甚至超过了沙漠地区，但很显然不能臆断火灾与风暴之间有必然的联系。
Texas, and adjoining parts of Oklahoma and New Mexico, are drier than they’ve ever been — the drought is worse than that of the Dust Bowl. But do not wonder if they’re somehow connected.
1570年、1584年、1719年、1891年和1997年都有严重洪灾的记录，当地建设防洪堤坝的第一次记载可以追溯到13世纪。
Severe floods were recorded in 1570, 1584, 1719, 1891, and 1997, with the first records of local embankments for flood control dating from the thirteenth century.
几个月之内，印度遭受有史以来最严重的一次干旱，柬埔寨和泰国洪水造成四百五十万人无家可归。
Within months, India was struck by one of its worst droughts, and 4.5 million people were made homeless by floods in Cambodia and Thailand.
我从没有想到过这会是我和老板打交道时第一次出现了严重问题。
I have never come to the idea that this was the first time I had serious problem with my boss.
这是我第一次和雇主发生严重的纠纷。
This was the first time I had serious trouble with my employer.
这位患者在一次严重的伤害中丢失了她的右眼和上颚，医生们表示。
The patient had severe deformity in the middle of her face and was missing her right eye and upper jaw, the Cleveland Clinic doctors said.
最严重的一次龙卷风发生在1925年，影响了美国的三个州：密苏里州、伊利诺伊州和印第安纳州。
The worst tornado of all time occurred in 1925, affecting three US states: Missouri, Illinois and Indiana.
当严重受伤后的切赫第一次回到训练场时，所有队员和工作人员都来迎接他，这里的气氛变得更加愉悦。
It was soon to become even happier when the whole squad and all the staff welcomed back Petr Cech to Cobham for the first time since the surgery he underwent on his fractured skull.
格尼尔和S森蒂尔克主场迎战哈萨克斯坦人失踪，他们再一次严重受伤表示怀疑。
Gonul and s Senturk were missing vs. Kazakhstan and they are once again major injury doubts.
在网站重新设计之前，该公司大约每周利用一次邮件，但邮件内容严重倾向于促销和打折。
Before the site redesign, the company was using email about once a week, but the email content was heavily tilted toward promotions and discounts.
一次很特别的场合，一个男人发生摩托车车祸被送进医院，他脑部和颈部都受到了严重的外伤。
On one particular occasion, a man was brought in with severe head trauma and neck injury from a motorcycle crash.
我国一次能源以煤为主，从而导致了严重的煤烟型大气污染，其中以SO_2和NO_x为主。
Actually the primary energy sources is coal-based in China result in the serious coal smoke pollution which mainly to SO_2 and NO_X.
第一次枪击事件发生在丹佛郊区阿瓦达的一家青年传教中心，一名男子和一名妇女被枪杀，两人受伤，其中一人伤势严重。
In the first shooting, a man and a woman were killed, and two men wounded, one critically, at the Youth With a Mission centre in, on the outskirts of Denver.
随着塑料产量的迅速增长和一次性塑料的大量使用，塑料废弃物造成的环境污染（白色污染）越来越严重。
With the increasing use of one-off plastic product, the pollution results from the plastic waste has become more and more serious.
这是我第一次和领导发生严重纠葛。
This was the first time I had serious trouble with my leader.
这是我第一次和领导发生严重纠葛。
This was the first time I had serious trouble with my leader.
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