He was much weakened constitutionally by the disease.
那场病使得他体质大大减弱。
The technique consists of injecting healthy cells into the weakened muscles.
这项技术包括把健康细胞注射进衰弱的肌肉里。
Germany's attack has been weakened by the loss of some key players through injury.
德国队几名主力队员因伤不能上场，削弱了进攻力量。
Does that mean the link between lower oil prices and growth has weakened?
这是否意味着，油价下跌与经济增长之间的联系已经减弱？
Had Iberia fallen to one of BA's European rivals, and its position would have been badly weakened.
假使伊比利亚成为英航的欧洲对手之一，它的地位将会被严重削弱。
At this stage, the tooth can repair the weakened area with the help of fluoride and minerals in saliva.
在这个阶段，牙齿可以借助唾液中的氟化物和矿物质修复脆弱的部位。
In the long run, the Depression weakened American families, and the current crisis will probably do the same.
从长远来看，经济大萧条削弱了美国家庭的力量，当前的危机可能也会如此。
Both teams have since announced that the signals have weakened, although they have not ruled out its existence within that range.
两个团队都宣称信号已经减弱，尽管他们还没有排除信号在这个范围内存在的可能性。
The weakened fall leaf then becomes vulnerable to the highly destructive effects of the oxygen created by the excited chlorophyll molecules.
活跃的叶绿素分子产生的氧气破坏性强，秋天衰弱的树叶随后变得更容易受到影响。
Tthe early Pliocene had a weakened atmospheric circulation, and therefore, reduced vertical wind shear, which is favorable for tropical cyclone growth.
上新世早期的大气环流被减弱，因此垂直风切变减小，助长了热带气旋的发展。
Though little evidence of any direct effect was found, the frequent negative correlations between IT and performance suggested that IT had probably weakened some firms' competitive positions.
虽然没有发现任何直接影响的证据，但IT与业绩之间频繁的负相关关系表明，IT可能削弱了一些公司的竞争地位。
These reactions influence how our genetic code is expressed: how each gene is strengthened or weakened, even turned on or off, to build our bones, brains and all the other parts of our bodies.
这些反应影响着我们的遗传密码的表现方式：每个基因是如何被加强或削弱，甚至其作用机制是如何被打开或关闭，从而构成我们的骨骼、大脑以及身体的其他部位的。
The team has been weakened by injury.
这个队因伤实力减弱。
Jennie weakened, and finally relented.
珍妮犹豫一下，最终不再拒绝了。
The explosion had weakened the building's foundations.
爆炸松动了这座楼房的地基。
The weakened currency could have damaging effects for the economy.
货币贬值可能会对经济造成破坏性的影响。
It was clear that one massive Allied offensive would overwhelm the weakened enemy.
显然同盟国一次大规模的进攻就会彻底击败已被削弱的敌军。
Tom's fright weakened every muscle in his body.
汤姆吓得浑身无力。
In this vaccine, the viruses are weakened, but they are alive.
在这种疫苗中，病毒被削弱了，但它们还活着。
The doctor told me that many years' smoking had weakened my health.
医生告诉我，吸烟多年已经损害了我的健康。
"The reason for wearing these," he said, "was that his eyes had been weakened by the work of many years."
他说：“戴这副眼镜的原因是多年的工作使他的眼睛变差了。”
Inevitably however, the day came when she was so weakened that she had to return to Pittsburgh, her home town.
然而，不可避免的是，有一天，她变得如此虚弱，不得不回到她的家乡匹兹堡。
One thing that physiologists have learned is that without gravity our bodies begin to lose strength, leaving astronauts with weakened bones, muscles and cardiovascular systems.
生理学家发现，失去重力后身体会失去力量，这使得宇航员骨质疏松、肌肉松弛，心血管功能也相应退化。
With lastingness of infection, the productive rate of reactive oxygen species decreased gradually, and photosynthesis also weakened.
随着感染时间的不断延长，活性氧的产生速率逐渐降低，同时光合作用逐渐减弱。
He weakened after his illness.
他病后身体虚弱。
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