Consider the nematode roundworm, the most abundant of all animals.

再看看线虫，它们是所有动物家族当中最为繁盛的。

The doctors said the worm was a roundworm native to Australia.

这两名医生表示，这种蠕虫是一种原产于澳大利亚的蛔虫。

That's the lesson from the tiny roundworm called C.elegans, long a workhorse in basic biology lab work.

这是从一种名为线虫的小蛔虫取的经验，这种小生物一直是基础生物学实验室的工作主力。

And scientists found one type of flatworm egg and two types of roundworm eggs.

科学家们发现一种扁虫卵和两种蛔虫卵。

These are parasitic roundworms. They live inside a human being's intestines.

这些是寄生蛔虫。它们生活在人类的肠道内。

When used in trials on mice and roundworms, the drug improved both their healthspans and lifespans, and it's currently undergoing human trials.

当在小鼠和蛔虫做试验时，这个药物能提高它们的健康寿命和预期寿命，而且目前已经在进行人体试验。

Roundworm, hookworm, whipworm, schistosomiasis: infections from these species cause pain and discomfort.

蛔虫、钩虫、鞭虫、血吸虫病：这些物种的感染会引起疼痛和不适。

The parasite was sent to a lab which confirmed the first ever case of a roundworm in someone's brain.

这种寄生虫被送往实验室，该实验室证实首例大脑中存在蛔虫的病例。

Even Caenorhabditis elegans, a primitive roundworm made up of a few thousand cells, does something that looks an awful lot like it.

即使是秀丽隐杆线虫（Caenorhabditis elegans）这种由几千个细胞组成的原始蛔虫，也会做一些看起来非常相似的事情。

An M R I revealed a abnormality in her brain and the doctor who operated on it pulled out a live roundworm.

核磁共振检查显示她的大脑存在异常，进行手术的医生取出一条活蛔虫。

One such study showed that certain roundworms retained behaviors that they had learned before they were cryopreserved after they were vitrified and revived.

其中一项研究表明，某些蛔虫在玻璃化和复活后保留它们在冷冻保存前学到的行为。

Plus, the poop they leave behind can contain roundworms and other parasites, which can enter your lungs when you breathe or get tracked into your home by your pets.

此外， 它们留下的粪便中可能含有蛔虫和其他寄生虫，这些寄生虫可能会随着你的呼吸进入你的肺部， 或者被你的宠物带入你的家中。

Being infected by hookworms, roundworms, bacteria like H. Pylori and other pathogens, getting wounded from accidents or animal attacks, ticks, leeches and so on would all be great ways to lose blood and iron for paleolithic humans.

被钩虫，蛔虫，像幽门螺旋杆菌这样的细菌和其他病原体感染，被意外伤害或动物攻击，蜱虫，水蛭等等都是旧石器时代的人类失去血液和铁的好方法。