五年级关于病毒的英语作文

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发布时间:2022-04-17 04:38:56 阅读:439 点赞:37

五年级关于病毒的英语作文

关于”病毒“英语作文模板2篇,作文题目:virus。以下是关于病毒高二英语模板,每篇作文均为高分模板带翻译。

高分英语作文1:virus

is tranitted by direct infection of the blood with body fluids containing HIV. is the abbreviation of acquired immune deficiency syndme. It is a complex disease that may involve multiple stages.

It is ed by a virus, can be tranitted beeen people, will damage the human immune , which is responsible for resisting the disease, the victims vulnerable to vaous infections. The virus enters the blood and destys some of the white blood cell T lymphocytes that play a key le in the function of the immune . The virus can also infect other cell types in people, including immune cells, called macphages.

Unlike T lymphocytes, macphages are not killed by viruses. Most people who have recently been infected with HIV look and feel healthy. In some people, the virus may remain immobile, and these people remain remarkably healthy as carers, but still have the ability to infect others.

In a few years, some people may dlop related complexes or vibos. Symptoms may include oral fungal infection ed by aphthous sores, i.e., aphthous ulcer, lack of anti infective ability and lymphadenopathy. is a kind of special blood and semen of HIV infected people directly infected by body fluid containing .

The virus is usually tranitted thugh vaous forms of ual behavior, such as tranusion of infected blood or shang of HIV contaminated intravenous injections.

中文翻译:

病是通过血液直接感染含有病病毒体液传播。病是获得免疫缺陷综合征缩写。它是一种复杂疾病,可能涉及多个阶段。

它是由一种病毒引起,可以在人与人之间传播病会损害人体免疫负责抵御疾病免疫,使受害者很容易受到各种感染影响。病毒进入血液并某些在免疫能中起关键作用白细胞T淋巴细胞。这种病毒还可以感染其他人人体内细胞类型包括免疫细胞被称为巨噬细胞。

与T淋巴细胞不同,巨噬细胞并不被病毒杀。最近感染病病毒大多数人看起来和感觉都很健康。在一些人中,病毒可能保持不动,这些人作为携带者保持明显健康,但仍有能力感染他人。

几年后,一些人可能会发展成与病相关复合物或弧菌。其症状可能包括:口疮引起口腔真菌感染,即口疮,缺乏抗感染能力和淋巴结肿大。病是通过含有病体液直接感染血液传播病毒感染者特殊血液和。

病毒通常通过各种形式行为传播,如输注受病毒感染血液或共用受病毒污染静脉注。

万能作文模板2:病毒

Viruses (dd fm Latin, meaning toxins or poisons) are a submicopic soce of infection that cannot gw or repduce outside the host cell. The virus infects all cell life. The first known virus, tobacco mosaic virus (TMV), was discovered by Martinus bayelink in, and has now descbed the study of than one virus.

As vilo, it is a branch of Micbiolo virus, which consists of o or three parts: all viruses have genes composed of DNA or RNA, and long molecules carrying genetic information have a ptein shell ptecting these genes Some have a layer of fat outside their cells. The ogin of viruses is unclear: some viruses may have evolved fm plaid fraents of DNA, while others may have evolved fm bacteal viruses. Bacteal viruses spread in many ways.

Different kinds of viruses use different methods. For example, plant viruses are usually tranitted beeen plants by SAP eating insects (such as aphids), while animal viruses can be cared by blood ing insects. These diseased oris are called virus carers.

Influenza viruses are tranitted by coughing and sneezing. Other noviruses are tranitted thugh fecal utes. When they contaminate hands, food or water, taviruses usually pass directly Contact with infected children.

HIV is one of sral viruses. Howr, many of the infected viruses will continue to repduce without any immune mechani, bee many viruses will continue to repduce without any immune mechani, bee many viruses will not continue to e harm thugh any form of ual tranission. Virus infected animals will usually e an immune response It can completely eliminate a virus, and these immune responses can also be pduced by vaccines, so that the virus can be infected for life-long immunity.

Micoris such as bactea also have a defensive effect on virus infection. For example, antibioti of restctive modification have no effect, but antiviral drugs have been dloped to treat life-threatening infections.

中文翻译:

病毒(源于拉丁语,意思是毒素或毒药)是一种亚微观传染源,它不能在宿主细胞外生长或繁殖。病毒感染所有细胞生命。已知第一种病毒烟花叶病毒于年被马丁努斯·贝耶林克发现,现在已经描述了超过种病毒研究作为病毒学,是微生物学病毒一个分支,由两到三部分组成:所有病毒都有由DNA或RNA组成基因,携带遗传长分子都有一层保护这些基因蛋白质外壳,有些在细胞外有一层脂肪包裹着它们。

病毒形状从简单螺旋形和二十面体到比细菌小几倍复杂结构病毒起源尚不清楚:有些病毒可能是由DNA质粒片段进化而来,而另一些可能是由细菌病毒进化而来。细菌病毒以多种方式传播。不同种类病毒使用不同方法。

例如,植物病毒通常是由以汁液为食昆虫(如蚜虫)在植物间传播,而动物病毒则可以被携带吸血昆虫这些带病有机体被称为病毒载体流感病毒通过咳嗽和打嚏传播,其他如诺如病毒,通过途径传播,当它们污染手、食物或水时,状病毒通常通过直接接触受感染儿童传播。HIV是几种病毒之一尽管如此,许多被感染病毒会在没有任何免疫机制情况下继续繁殖,因为许多病毒都会在没有任何免疫机制情况下继续繁殖,因为许多病毒不会通过任何形式传播而继续造成伤害,病毒感染动物通常会引起一种免疫反应,这种免疫反应可以完全消灭一种病毒,这些免疫反应也可以由疫苗产生,使病毒感染终身免疫微生物如细菌也对病毒感染有防御作用,如限制修饰抗生素没有效果但是抗病毒药物已经被用来治疗威胁生命感染。

满分英语范文3:病毒

Comr virus: the ogin of the term "comr virus" refers to the similaty beeen biological viruses and evil pgrams that infect comrs. The charactesti of comr viruses are the only channel for viruses to enter fm one to another. One of the main feates of comr viruses is that we should be alert to comr viruses.

中文翻译:

计算机病毒:“计算机病毒”一词由来是指生物病毒与感染计算机邪恶程序之间相似计算机病毒特征是病毒从一个进入另一个唯一通道计算机病毒一个主要特征我们应警惕计算机病毒。

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