The only snakes that get into the arctic circle are European vipers, a venomous species.

进入北极圈的唯一蛇是欧洲毒蛇， 一种有毒的物种。

Below stairs is very often a nest of vipers.

楼下往往是毒蛇窝。

So the viper hath; And yet, who spares it for the mother's sake?

你心这么狠，还有谁为那母亲饶恕这孩子？

I'm normally not so nervous for a viper.

我通常处理蝰蛇类的蛇都不会这么紧张。

Cobras, vipers, and pit vipers have large teeth. They are called fangs.

眼镜蛇、蝰蛇和蝮蛇有巨大的牙齿。它们被称为毒牙。

The gt 500 was a shelby. He also made the viper. You know that?

gt 500是 Shelby 设计的。他还设计了viper，你知道吗？

The dropped meal is tracked down mainly by smell, the viper using its forked tongue to taste the air until it is close enough to see its quarry.

蝮蛇利用嗅觉追踪掉落的食物，利用它叉开的舌头尝着空气直到近得可以看见猎物。

This is a gaboon viper got the longest fang of any venomous snake in the world and you could tell that from that big head and actually has the most venom to dump at one time.

这是一条加蓬毒蛇，它有世界上所有毒蛇中最长的尖牙，你可以从它的大脑袋上分辨出来，实际上它有最多的毒液要倾倒。

In a paper published recently by Toxicon, they report how a protein called eristostatin, which can be extracted from the venom of the Asian sand viper, helps people's immune systems fight malignant melanoma.

最近，他们发表了一篇名为《毒素》的论文，介绍了从亚洲沙蝰的毒液中可以提取蛇毒蛋白质，这种蛋白质可激发人类免疫系统对抗瘤。

In the darkness of night, Hylton has captured images of birds like this quizzical collared scops owl, insects like the Atlas moth and snakes like this white-lipped pit viper.

在夜中，Hylton拍摄了鸟类（如这只好奇的领角角鸮），昆虫（如大蛾）和蛇（如白唇腔蝰蛇）的照片。

34 You brood of vipers, how can you who are evil say anything good? For out of the overflow of the heart the mouth speaks.

34 毒蛇的种类、你们既是人、怎能说出好话来呢．因为心里所充满的、口里就说出来。

When the viper seizes any small animal, the poison runs down through the fangs into the body of the animal and kills it.

极北蝰抓住小动物的时候， 毒液就会通过毒牙流到动物体内， 把动物杀死。

Jo glanced at the sheet and saw a pleasing illustration composed of a lunatic, a corpse, a villain, and a viper.

乔瞄了一眼，看到这张纸上有一幅很引人注目的画，上面疯子、一具尸体、一个棍和一条蝮蛇。

They also strike more readily than most other vipers.

它们也比大多数其他蝰蛇更容易发动攻击。

And captopril, a blood-vessel-relaxing agent widely used to treat hypertension, is based on teprotide, from Brazilian arrowhead vipers, which helps the other toxins in the venom circulate quickly, and thus reach their targets rapidly.

卡托普利11―血管放松剂，广泛用于治疗高血压。它由替普罗肽组成，从巴西箭头毒蛇12提取，能加速毒液中毒素循环，迅速到达患处。

Vipers are also often highly venomous, with two hollow fangs that fold flat to the roofs of their mouths.

蝰蛇通常有剧毒，就在它们上颚内折着两根空心獠牙。

All the snakes we'll be visiting belong to a group called the vipers.

接下来我们将遇到的所有蛇，都属于蝰蛇这个族群。

A full-grown viper is rather less than two feet in length.

极北蝰长大以后， 也不足两英尺长。

More and more vipers appear until virtually every perch where a bird might land has been booby-trapped.

越来越多的蛇出现，直到最后几乎每一处鸟儿可能着陆的栖木都布满了陷阱。

This comes in handy for guarding a nest — unlike most other vipers, the bushmaster lays eggs in hollowed-out tree buttresses or burrows made by other animals.

这对于保卫巢穴很方便——不像大多蝰蛇，巨蝮是卵生，产在其他动物挖空的树墩或洞穴中。