Unfortunately, prairie dogs often harbor fleas, and fleas can carry the plague.

不幸是，草原犬鼠通常滋生跳蚤，并且跳蚤可能带有鼠疫。

And these have smaller still to bite 'em And so proceed ad infinitum.

较小跳蚤还有更小跳蚤可以咬。哪是尽头谁知晓。

It also includes some ticks, fleas and lice and also a few mites.

也有一些扁虱、跳蚤、虱子和几个螨虫。

This kind of typhus has spread by fleas found on rats, opossums or even pets.

这种斑疹伤寒症是由跳蚤播，而这种跳蚤可以在鼠类、负鼠甚至宠身上发现。

We bought it at a flea market.

我们在跳蚤市场买。

You buy your sheets at a flea market?

你上跳蚤市场买床单？

But the larvae infect the fleas.

但幼虫跳蚤。

It reminds me really of what we have in Britain called car boot sales.

这使我想到英国跳蚤市场。

Five hundred bucks at a flea market?

跳蚤市场买要5百？

Fleas are an excellent example of parasites.

跳蚤是寄生虫极好例子。

It's anti-inflammatories, flea and tick heartworm prevention.

它能消炎，预防跳蚤和蜱虫。

Fleas can just destroy the skin.

跳蚤破坏皮肤。

Well, I kind of went to a ... it was like a flea market.

我去了一个类似跳蚤市场地方。

A flea was crawling on the monk's head.

有个跳蚤在唐僧头上爬。

The cloth stops the infected fleas.

这种布可以挡住受感跳蚤。

It was at a flea market, so it was like a dollar.

因为是跳蚤市场 所以差不多1块钱。

Sold him a microwave at a flea market.

在跳蚤市场卖给了他一个微波炉。

Now, the flea can also travel back and forth, just like the acrobat.

跳蚤也能向前向后走 和杂技演员相同。

A bacterium called Yersinia pestis causes the plague. It's transmitted to humans by fleas.

这场瘟疫由一种名为鼠疫杆菌细菌引发。这种细菌通过跳蚤给人类。

They snack together, snooze together and work hard to keep each other flea- and tick-free.

黑猩猩同吃同睡，而且还相互协作捉跳蚤。