Just an introduction to the classes of potential foreign invaders that our immune system tries to defend us against.
这只是对我们的免疫系统试图防御的潜在外来入侵者的分类介绍。
他们伏击入侵者。
Light-loving species are always among the first invaders, while shade-tolerant species appear later in the succession.
在这个演替过程中，喜阳植物总是第一批“侵入者”，而那些喜阴植物紧随其后出现。
They prepared to repel the invaders.
他们准备赶走侵略军。
The invaders despoiled the country of all its treasures.
入侵者抢夺了该国的全部财富。
The family has traced its ancestry to the Norman invaders.
这个家族将自己的世系追溯到诺曼征服者。
Most of these invaders arrived as international hitchhikers.
大部分的入侵生物都是以搭国际便车的方式抵达这里的。
An antibody is an immune system protein that helps seek and destroy invaders like viruses and bacteria.
抗体是一种免疫系统产生的蛋白质，起到寻找和破坏入侵的病毒和细菌的作用。
Researchers hope the new strategy will help other efforts to assess ecosystem changes wrought by invaders.
研究者们希望新技术能对评估入侵植物引起的生态系变化起到辅助作用。
Once my body understands that these new things are not actually invaders, it won't release the histamine response.
一旦身体知道到这些新东西并不是入侵者，就不会产生组胺反应了。
And because native species haven't had time to adapt to these new arrivals, many stand defenseless against the invaders.
而本地物种因为没有充分的时间适应入侵者，对它们的“攻城掠地”表现得毫无抵抗之力。
Harrier jets roared from the flight deck of HMS Invincible to wrest control of the skies from the invaders’ Mirage fighters.
巨大的轰鸣声中，鹞式战机从无敌号航母的飞行甲板上升空，与阿根廷的幻影战机争夺制空权。
Another is that such a seemingly significant plot point as the identity of the invaders is actually as interchangeable as a MacGuffin.
另外，如此一个似乎很重要的情节问题——入侵者身份，竟然如麦高芬般可随便置换。
If the cells did cross the placental barrier, the child's immune system should have recognised them as foreign invaders and destroyed them.
如果癌细胞确实穿过胎盘屏障，孩子的免疫系统应该会将它们视为入侵者，从而消灭它们。
The immune system - a network of cells, tissues and biochemicals they secrete - defends the body against viruses, bacteria and other invaders.
免疫系统由免疫细胞、免疫组织和它们所分泌的生化物质构成，它保护着身体不受病毒、细菌和其他入侵者的干扰。
Of all the invaders, here are the worst of the worst, those that seem to be guests in the U.S. for the long haul, regardless of plans devised to be rid of them.
以下是所有入侵物种中最最恶劣的几种。虽然有加以清除的计划，但是它们似乎已经成为美国长期的客人。
"The One" is based on the story of sprinter Liu Changchun's struggle against Japanese invaders to represent China at the 1932 Summer Olympics held in Los Angeles.
《一个人的奥林匹克》 电影取材于短跑选手刘长春不畏日本侵略者的强迫和威胁，单刀赴会，第一次代表中国参加了1932年洛杉矶夏季奥运会的感人故事。
The manifestations of allergy—sneezing, wheezing, itching, and rashes—are signs of an immune system running amok, attacking foreign invaders that normally mean no harm.
过敏的临床表现包括喷嚏、气喘、瘙痒和红疹等，这些都是免疫系统紊乱而对通常无害的外来物质发起攻击的表现。
Flu vaccines work by introducing a killed version of circulating virus strains, which trains the body's immune system to recognize and attack similar invaders in the future.
流感疫苗通过导入一种杀死的流感病毒变种起作用，来训练身体的免疫系统识别这些变种并在将来遇到类似的入侵者时作出反击。
Evidence was also found among the human remains of a millet diet, which is not typical of Northern Germany at the time, which the researchers say may betray the presence of invaders.
还发现了一项证据：在这些人类遗骸中还发现了黍米，这不是那个时期德国北部的典型作物，研究人员说，这可能暗示着这里出现了入侵者。
In autoimmune diseases, like arthritis or Crohns disease, t cells mistake fragments of the body's own cells for foreign invaders, leading to the body launching an attack upon itself.
在自身免疫系统疾病中，如关节炎或克隆恩氏病，T细胞误把自身细胞碎片当作外来入侵者，导致自己攻击自己。
The human body hosts hundreds of bacterial species that perform various salubrious housekeeping chores, from aiding digestion to helping the immune system identify foreign invaders.
人类身体携带有几百种细菌物种，这些细菌负责各种有益健康的例行工作，从帮助消化到帮助免疫系统确认外来入侵物。
This photo, taken in the winter months of 1942, shows citizens of Leningrad as they dip for water from a broken main, during the nearly 900-day siege of the Russian city by German invaders.
这张照片拍摄于1942年冬天，展现了在德国侵略者对列宁格勒近900天的围攻期间，该市市民在破损的管道中取水的场面。
Swiss Guards stand tall in their swearing-in garb of armor and plume. The annual ceremony recalls the 1527 Sack of Rome, when 147 guards died helping Pope Clement VII escape German invaders.
一年一度的宣誓就职仪式总能使人想起1527年洗劫罗马之战，当时147名卫兵为保护罗马教皇克莱门特七世从德国入侵者手中脱逃而殉职。
In those stones I saw thundering war drums, fluttering flags, and brave villagers raising iron halberds against invaders, their blood staining their clothing and seeping into the granite rampart.
在那些石头里，我仿佛看见了战鼓擂擂、旌旗猎猎，勇敢的寨民们举起铁戟抵抗外敌，鲜血染红了他们的衣衫，渗入青石城墙里；
These cells recognise alien invaders, chop them up and then carry characteristic bits of them to the rest of the immune system so that the invader can be recognised and appropriate measures taken.
这些细胞识别并处理外来异物，再把异物的特有信息提呈给后续的免疫系统使之能够识别并采取适当措施予以处理。
These cells recognise alien invaders, chop them up and then carry characteristic bits of them to the rest of the immune system so that the invader can be recognised and appropriate measures taken.
这些细胞识别并处理外来异物，再把异物的特有信息提呈给后续的免疫系统使之能够识别并采取适当措施予以处理。
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