These tiny arachnids perform elaborate dances to impress potential partners.

这些小型形纲动物表演着精心策划的舞蹈来打动潜在的伴侣。

It's an Amblypygi, an Arachnid somewhere between a spider and a scorpion.

这是一只鞭属于形纲，介乎蜘和蝎子之间。

That is the question concerning the Joro spider, a multicolored arachnid that can grow larger than the palm of your hand.

来就是Joro蜘（棒络新妇）的新闻了，这种彩色的形纲动物体型可以比你的手掌还要大。

The largest arachnid to ever exist was a creature called Pulmonoscorpius, a scorpion-like creature that could grow up to 70cm LONG!

迄今为止最大的形纲动物是一种叫肺蝎的动物，它长得像蝎子，可以长到 70 厘米长！

Scorpions are not insects, with their cousins, the spiders, they form a separate category of animals, the arachnids.

蝎子不属于昆纲，它们和它们的戚蜘构成了另一类动物——形纲动物。

Oh hello! Meet Demodex, the face mite, a microscopic arachnid that exclusively lives on human skin.

哦，你好！来见见蠕形螨，面部螨，一种只生活在人类皮肤上的微小形纲动物。

Meet Demodex, the face mite, a microscopic arachnid that exclusively lives on human skin.

认识一面螨，一种仅生活在人类皮肤上的微小形纲动物。

These wasps lay their eggs inside the bodies of  other insects or arachnids.

这些黄蜂将卵产在其他昆形纲动物的体内。

Now, how can you tell whether a web functions as an arachnid hearing aid?

霍普金：现在，你怎么判断一张网是否能作为形纲动物的助听器呢？

In fact, it has the fastest full-body motion of any arachnid.

事实上，它是所有形纲动物中全身运动速度最快的。

One day he is bitten by a radioactive spider (this was before it was widely known that the only superpower radiation gives is cancer), and acquires agility and strength proportionate to a human-sized arachnid.

有一天，他被一只放射性蜘咬伤（这是在人们普遍知道唯一的超能力辐射会导致癌症之前），并获得了与人类大小的形纲动物相称的敏捷性和力量。

They search the literature for animals where both the relative longevity of the sexes and the nature of any heterogamaticity are known adding reptiles amphibians sharks, bony, fish arachnids and insects to the list.

他们查阅文献，寻找那些已知两性相对寿命和任何异配性别特征的动物，将爬行动物、两栖动物、鲨鱼、硬骨鱼、形纲动物和昆添加到列表中。

As for actually testing with arachnid makeovers in the lab, University of Florida study author Dr. Lisa Taylor seemed satisfied with the quirky technique.

至于在实验室中对形纲动物改造进行实际测试，佛罗里达大学的研究作者 Lisa Taylor 博士似乎对这种古怪的技术感到满意。

Some arachnids prefer their fellow species, and a few others hunt small animals like birds or lizards and a raft spider even eats fish.

一些形纲动物喜欢它们的同类, 还有一些形纲动物会捕食鸟类蜥蜴等小动物, 而筏蜘甚至会吃鱼。

Today, just three classes of Chelicerata remain: On land, there are the arachnids, like spiders, ticks, and true scorpions.

如今，仅剩三种螯肢动物纲：陆地上有形纲，比如蜘、蜱和真正的蝎子。

Notice how we didn't mention any invertebrates, like insects and arachnids?

有没有注意到我们没有提到任何无脊椎动物，比如昆和形纲动物？

So if you don't wash your sheets, you'll be sleeping with hundreds of thousands of arachnids.

所以如果你不洗床单，你就会和成千上万的形纲动物一起睡觉。

These were made of a tough material  that's rich in carbon called chitin, and their modern relatives - including insects, crustaceans, and arachnids - still have it today.

这些由一种富含碳的坚硬物质几丁质构成，它们的现代近——包括昆、甲壳动物和形纲动物——至今仍然具有这种物质。

The Amazon Rainforest is home to many of the world's largest insects and arachnids.

亚马逊雨林栖息着许多世界上体型最大的昆和形纲动物。