无论是人、鸟还是猪，作为宿主都能为流感病毒提供接触、交换遗传物质和形成新病毒的场所。
The host, whether it is a person, bird, or pig, provides a place for influenzas to make contact, exchange genetic material, and form new viruses.
每年杀死全世界60万人的乙肝病毒就是利用RNA进行复制，这种病毒的基因物质通常可以在宿主的肝细胞内找到。
Hepatitis b, a disease that kills some 600, 000 people worldwide each year, replicates using RNA, and bits of the virus's genetic material are frequently found inside a host's liver cells.
每年杀死全世界60万人的乙肝病毒就是利用RNA进行复制，这种病毒的基因物质通常可以在宿主的肝细胞内找到。
Hepatitis b, a disease that kills some 600,000 people worldwide each year, replicates using RNA, and bits of the virus's genetic material are frequently found inside a host's liver cells.
除了抗生素，许多被称为宿主防御增效剂(HDPs)、蛋白束多聚糖或多糖蛋白复合物（PSPCs）的物质已经从蕈类中分离出来。
Besides antibioties, a large number of subtances known as Host Defence Potentiators(HDPs), Protein bound Polysaccharide or Polysaccharide-Protein Complexes(PSPCs) have been isolated from mushrooms.
这种细菌也能够分泌抑制真菌生长的化学物质，同时，它还能产生促进宿主植物生长的激素。
The bacterium can also secrete chemicals that inhibit fungal growth, as well as hormones that stimulate the growth of its host plants.
能够破坏真菌的化学物质也倾向于损害人类细胞，所以很难在不伤害宿主的情况下消除这种感染。
The chemicals that damage fungi tend to damage human cells as well, so it's hard to attack such infections without harming the host.
“丙交脂是生物可降解物质，六至十二个月后，丙交脂就会被再吸收，并由宿主机体组织所代替。”
"PLLA is biodegradable and after six to 12 months the PLLA would be resorbed and replaced by host tissue."
通过这种方法可以阻止病毒侵入细胞及利用宿主细胞物质进行自身复制。
Doing this would stop the virus invading cells and using their contents to replicate itself.
试验性刺探是粉虱确定对宿主植物选择的关键过程，而叶表蜡层中的化学物质可能起重要作用。
Test probing is the key process for determining host plant selection, and the chemical composition of the leaf surface wax may play an important role.
其中两种药物是“整合?抑制剂”，它可以阻止艾滋病病毒的遗传物质附加到宿主细胞的DNA中。
Two are "integrase inhibitors" that block the HIV genetic material from attaching to the host cell's DNA.
再来你必须说服整个世界，你的确侦测到像这样的物质，在太阳系外行星的宿主恒星大气中，在离这里100秒差距的地方。
And then you have to convince the whole world that you have actually detected something like this in the atmosphere of an extrasolar planet host star somewhere in 100 parsec away from here.
病毒只有一个蛋白质外壳和一些DNA和RNA这样的遗传物质，通过侵入宿主细胞并利用宿主细胞来进行复制。
Viruses only contain a shell of protein and some DNA and RNA genetic makeup materials. To reproduce, the virus invades a cell in a host and USES the cell to produce more of itself.
病毒只有一个蛋白质外壳和一些DNA和RNA这样的遗传物质，通过侵入宿主细胞并利用宿主细胞来进行复制。
Viruses only contain a shell of protein and some DNA and RNA genetic makeup materials. To reproduce, the virus invades a cell in a host and USES the cell to produce more of itself.
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