When his organization, founded by former US President Jimmy Carter and his wife Rosalind, began spearheading the effort to rid the world of guinea worm in 1986, the parasite existed in 20 countries.

当他的组织由美国前总统吉米·卡特和他的妻子罗莎琳创立时，1986年开始带头努力根除世界上的麦地那龙线虫病，这种寄虫存在于20个国家。

The word host has several meanings, but in biology it's a plant or animal that another plant or animal lives on as a parasite or uses for food.

宿主这个词有多种含义，但在物学上，它是指另一种植物或动物作为寄虫寄于或用作食物的植物或动物。

At least 15,000 different species of wormy parasites use fish as a host.

至少有 15000 种蠕虫状寄虫寄于。

Wolfe and his colleagues identified the microbial interactions by growing various cheese-dwelling fungi and bacteria in separate but adjacent dishes in the lab. The microbes couldn't touch-they could interact only via the volatile compounds they released.

沃尔夫和他的同事们（通过在实验室离相邻培养皿中各种寄于奶酪的真菌和细菌）来确定微物之间的相互作用。微物之间不能相互接触，它们只能通过释放的挥发性化合物进行相互作用。

The insects hitched rides on the black rats that flourished along trade routes, aiding the spread of the plague.

跳蚤寄于在贸易线上繁衍息的黑鼠身上，助长了瘟疫的传播。

Immie calls climate change a parasite. In the natural world, a parasite is an animal or plant that lives on another living thing and feeds from it.

Immie称气候变化为寄虫。在自然界中，寄虫是一种寄于另一种物并以它为食的动物或植物。

It's feasting on this oak tree, tucked away in a chamber on one of its branches.

它们寄于这棵橡树，藏在树枝的洞穴内。

So the theory is that the parasitic worm was present in the grasses the woman ate, and that's how it got in her body.

因此， 理论推测是， 寄虫存在于该女子所食用的草中，正是通过这种方式进入了她的体内。