Kangaroos harbour a vast range of parasites.

袋鼠身上有各种各样的寄生虫。

Victims have tested positive for intestinal parasites, bacterial infection and viruses which cause fever and diarrhoea.

病人在导致高烧和腹泻的肠道寄生虫、细菌感染和病毒项目测试中呈阳性。 。

The infection is caused by a tiny parasite which can affect humans and pets.

此次感染是由一种可影响人类和宠物的微小寄生虫引起的。

a parasite, who produced nothing but lived on the work of others.

一个什么都不做而靠他人的劳动为生的寄生虫。