It also causes bad side effects, some of which can be deadly.
VOA: special.2010.01.04
It's reproduction of the virus and passage of that virus onto new cells which causes the problems with disease that we associate.
病毒一旦繁殖并进入新细胞,就会带来相关病症的危害
But variola, which causes smallpox in humans, and vaccinia, which causes a disease called cowpox in cattle, turned out to be, we now know, viruses that are molecularly very similar.
但是导致天花的人痘病毒,和导致牛痘,的牛痘病毒,后来发现其实是,我们现在知道,这两种病毒在分子水平上十分相似
The standard flu vaccine causes the body to produces antibodies, which target parts of the virus that frequently mutate.
VOA: standard.2010.07.21
The contract has to specify what are the causes of, let's say, death or a situation in which one is covered.
合约中必须指明,合约建立目的,比如说,死亡或者承保的是什么情况。
But this plan has also come under criticism. The proposed power plants will burn heavy oil, which must be imported and causes pollution.
VOA: standard.2009.08.28
He wrote a history of the English Civil Wars, Behemoth called Behemoth, which remains a classic of the analysis of the causes of social conflict.
他写关于英国内战的历史,叫做,里面有关于社会冲突原因,的经典分析。
Smith says American academicians and journalists often cite a list of root causes for Middle East turmoil, in which the U.S., the West and Israel usually play a big part: a history of colonialism and economic exploitation, the creation of Israel and American support for the Jewish state, the politics of oil, Western backing of repressive Arab regimes and the U.S.military presence in the region.
VOA: standard.2010.03.18
So, what they do is what's called, "Systematic desensitization," which is they expose you to what causes you the fear but they relax you at the same time so you replace the aversive classical conditioned fear with something more positive.
治疗的方法叫做“系统脱敏疗法“,也就是将你暴露在引起恐惧的情境下,但同时让你放松,所以你用更加积极的感觉,替换了经典条件作用造成的厌恶性恐惧。
Viruses, you know about viruses; variola, we're going to talk about next week which causes smallpox, influenza, which causes the flu and HIV of course which cause AIDS are some examples.
病毒 你们都知道病毒,像天花病毒,我们下周会讲的引起天花的病毒,还有引起流感的流感病毒,引起艾滋病的人类免疫缺陷病毒等等
If another receptor operating from a different ligand does the same thing, generates an enzyme which causes cyclic AMP to increase, the rate of cyclic AMP increase is going to go up faster than if only one of these was activated.
如果受另一种配体激活的受体,能够完成相同的过程,即激活一种能够促进cAMP生成的酶,cAMP的生成速率会比,只有其中之一被激活时更加快
Schistomiosis, which is a worm that lives in river waters, causes terrible diseases that are still prevalent in many parts of the world.
血吸虫,是一种生存在河水中的蠕虫,可以引起严重疾病,并仍在世界上众多地区广泛流行
Things like elections political leaders and parties different causes to which they may feel some attraction interested in wars and revolutions that they see or have heard about.
主题像是选举,政治领袖及政党,因为不同的原因,他们可能觉得,战争的主题很有吸引力,或是他们亲睹或听闻过的革命,因为想要学习这些事务。
Malaria causes a million deaths per year, and schistosomiasis, which is a parasitic disease, is unfortunately a common cause of death in the world.
疟疾每年造成一百万死亡,而血吸虫病,这是一种寄生虫病,不幸的是,它是世界上很常见的死因
One class of them is beta-blockers, they bind to beta-adrenergic receptors, which are receptors that exchange information between your nervous system and the contractile system that beats your heart and that causes the heartbeat.
一类药物是β阻断剂,它们与β肾上腺素受体结合,这种受体能够在神经系统和,控制心跳的心肌收缩系统之间传递信息,从而产生心跳
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