My dog ate it. It's true. Look, I brought a stool sample.

作业被狗给吃了。真的，你看，我带来了粪便样本。

youdao

We'll have to take a stool sample and analyze that as well.

我们还必须采一些粪便的样本来做分析。

youdao

Following the vet's instructions, I collected a stool sample and dropped it in a plastic container before we left for his office.

按照兽医的要求，在去他办公室之前，我收集了大便样本，将它装到一个塑料容器中。

youdao

Being a scientist, he decided to seek out different data: from a stool sample.

CNN: Tracking your body with technology