There are usually many parasites in the excrement of wild animals.

野生动物的排泄物里通常有很多寄生虫。

The nurse sent the samples of these patients' excrement for testing.

护士把这些病人的大便样本送去检测。

Excrement can be used as a fertilizer for the soil.

粪便可以作为土壤的肥料。

The cage smelled of excrement.

笼子里粪臭熏人

The cage smelled of excrement.

这个笼子闻起来有粪便味。

My main role was to analyze human excrement.

我的主要任务是分析人体排泄物。

He collects the excrement from a panda breeding center in southern China.

他从中国南方的一个大熊猫繁殖中心收集其粪便。

They should be especially careful around uncooked meat, domestic animals, human excrement and lake or river water.

他们应特别小心生肉、家畜、人类粪便和湖水或河水。

Poultries need a large amount of food and space, which is typically limited to expeditions, and they produce a lot of excrement.

家禽需要大量的食物和空间，这在远征中通常是有限的，而且它们还会产生大量的排泄物。