roundworms

a study into roundworms found 500, 0000 in a single square metre of ocean floor, while there are now 16, 000 known species of seaworms.

而一个关于蛔虫的研究则发现，有500,000条蛔虫在亿立方米的海床土壤中，同时存在的还有目前已知的16,000种海虫。

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any of various small free-living plant-parasitic roundworms.

各种非寄生或寄生在植物上的线虫。

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Once they are back in the intestines, the larvae mature into adult roundworms.

幼虫返回肠道后会发育为成熟的蛔虫.

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Host specificity of a parasite. any of various small free-living plant-parasitic roundworms.

寄生虫寄主专一的特性。各种非寄生或寄生在植物上的线虫。

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infestation of the human intestine with ascaris roundworms.

人体的肠内有大量的蛔虫。

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the research was performed on c. elegans, tiny roundworms that typically live an average of two weeks.

这一研究实验是在线虫身上进行的，这是一种极小的圆虫，他们的平均寿命只有两周左右。

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slender threadlike roundworms living in the blood and tissues of vertebrates;

细长如线的线虫，寄生在脊椎动物的血液和组织中；

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now they think they know why . they identified a gene in roundworms that directly links calorie restriction to longer lifespan .

现在他们认为找到原因了。他们在蛔虫身上找到一种基因，直接负责热量的控制，进而延长寿命。

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by tinkering with the gene, scientists can make roundworms live 30 to 50 percent longer than they normally would.

科学家可以通过修补基因来使得蛔虫比常规多活30%到50%的寿命。

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Acidic soil is paradise for nematodes, parasitic roundworms that destroy crops.

酸性土壤是线虫和寄生蛔虫的乐土, 而这些害虫会将农作物摧毁.

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experiments had showed that starvation made roundworms live longer.

实验表明，饥饿让蛔虫活的时间更长。

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resveratrol has been shown to extend the lives of other organisms including yeast, roundworms and fruit flies.

白藜醇已经显示出它能够延长其他生物体包括酵母、蛔虫和果蝇的生命。

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