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

A single stool sample for ova and parasites was negative.

一次大便找虫卵和寄生虫阴性。

youdao

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

CNN: Tracking your body with technology