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身上汲取的经验，这种小生物一直是基础生物学实验室的工作主力。

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。

Raccoon roundworms are not excreted by their human host.

- 浣熊蛔虫不会被人类宿主排出体外。

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

科学家们发现了一种扁虫卵和两种蛔虫卵。

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

当在小鼠和蛔虫身上做试验时，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。

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，该实验室证实了首例大脑中存在蛔虫的病例。

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了一条活蛔虫。

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。