He felt pleasantly drowsy and had to fight off the urge to sleep.
他感觉舒适地昏昏欲睡，不得不击退睡意。
Unfortunately these drugs are quite toxic and hinder the body's ability to fight off infection.
不幸的是，这些药毒性很大，妨碍身体抗感染的能力。
People with cystic fibroses are unable to fight off such bacteria, even though their lungs produce normal amounts of the antibiotic.
患有囊性纤维变性的人却无法抵抗这种细菌，即使他们的肺部能产生正常数量的抗生素。
In this rudimentary natural society men go out to hunt and fish and to fight off the tribe next door while women keep the fire going.
在这个原始的自然社会里，男人出去打猎、捕鱼、击退隔壁部落，而女人则继续生火。
People with cystic fibrosis, however, are unable to fight off such bacteria, even though their lungs produce normal amounts of the antibiotic.
然而，患有囊性纤维化的人却无法抵抗这种细菌，即使他们的肺部能产生正常数量的抗生素。
He asks them to use facts to fight off fear.
他要求他们用事实来打败恐惧。
We use them to fight off the bad bacteria.
我们用它们抗击对我们有害的细菌。
The woman managed to fight off her attackers.
这位妇女调法击退了攻击者。
BIG PIC: Glowing Snail Uses Light to Fight Off foes.
大图：发光的蜗牛利用光同敌人战斗。
This galvanized her resolve to fight off the disease.
这更激发了她击退病魔的决心。
In 2006 when Arsenal went for him, they had to fight off Valencia.
在2006年，当阿森纳选择他时，他们得击败瓦伦西亚。
The body has a tendency to fight off , or reject, any alien living thing.
人体有拒绝，排斥任何不同于自身组织或器官的倾向。
Always remember to fight off a hurdle by facing it, not by running away from it.
永远记住，击退障碍，需要勇敢面对，而不是逃离躲避。
Cisco is struggling to fight off competitors with lower-priced switches and routers.
而思科则正在与定价较低的交换机和路由器供应商苦苦竞争。
In their ongoing efforts to fight off their enemy they managed to destroy their planet.
在他们进行与敌人战斗的努力中，他们设法破坏了他们的行星。
When your body has all the nutrients it needs, you're better able to fight off infections.
当机体里有所需的所有营养素，就能更好的抵制感染。
The first of these produces molecules called Type 1 interferons, whose role is to fight off viruses.
第一组基因能制造出被称为1型干扰素的分子，其作用是抵抗病毒。
Smoking is a known risk factor for TB, and may reduce the ability of the lungs to fight off infection.
吸烟作为导致肺结核的一个常见的风险性因素，会削弱肺部抗感染的能力。
You may have to fight off quite a few females with a bamboo stick so that he can see you and only you.
他太招人喜欢了以至于没有女人能抵抗住他的魅力，他太甜蜜了以至于伤不了任何人的心。你可能要用竹棍子打跑几个情敌以后才能让他看见你，并且只看见你。
Third, the whale populations are not strong enough to fight off extinction if they are openly hunted again.
第三，若鲸鱼再次遭到公开捕杀，其数量并未庞大到可以抵抗绝种的下场。
The wing clubs could have also been used to fight off predators, too, and this brings up an important point.
这种因翅膀结构产生的种群分区也能够用于干掉头领，并且，这是非常重要的一点。
These cells originate in the bone marrow and wind up in the brain, where their job is to fight off infections.
这些细胞在骨髓中生成，在大脑中发挥作用，其功能是抵抗感染。
Icelandic breakfast cuisine - a hearty and hot breakfast to fight off the dark, icy mornings is what's needed here.
在冰岛，人们需要一顿营养丰盛又热气腾腾、能够击退清晨之黑暗和冰冷的早餐。
Investors seem to doubt that plans to help troubled financial institutions will be enough to fight off a deep recession.
投资者似乎怀疑挽救陷入困境的金融机构的计划是否足以避免经济陷入严重衰退。
A good diet and fit body will help you to fight off illness and disease - and to recover more quickly if you do become sick.
良好的饮食习惯和合适的体重能帮助你击退疾病，也能在你患病后帮助尽快恢复身体。
A recent report in BioMed Central's Immunology journal found that alcohol impairs the body's ability to fight off viral infections.
近期，生物医药中心的《免疫学》杂志上报道说，酒精还会削弱人体抵抗病毒感染的能力。
Scientifically known as Allium sativa, garlic has been famous throughout history for its ability to fight off viruses and bacteria.
从科学角度，已知大蒜系葱属漂白亚麻纤维卷，以其具有抗病毒和细菌的能力自古传闻。
Scientifically known as Allium sativa, garlic has been famous throughout history for its ability to fight off viruses and bacteria.
从科学角度，已知大蒜系葱属漂白亚麻纤维卷，以其具有抗病毒和细菌的能力自古传闻。
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