The fangs of pit vipers are long, hollow tubes .
颊窝毒蛇的毒牙是长的空心管子。
In pit vipers, like the rattlesnake, vision is supplemented.
蝮蛇属的蛇，比如说，这条响尾蛇的视觉。
All known pit vipers are venomous, although their potency varies across species.
尽管毒性有所不同，但毫无疑问的是它们都是带有剧毒的。
The group of snakes known as pit vipers includes well-known species such as the copperhead, the rattlesnake, and the water moccasin.
蝮蛇一科成员众多，其中包括鼎鼎有名的铜头蝮、响尾蛇和食鱼腹。
That's because pit vipers, like rattlesnakes, and the group of snakes including pythons or boas can literally see the world in two different ways.
这是因为响尾蛇科毒蛇(响尾蛇)包括蟒蛇在内的一类蛇，可以用两种方式看世界。
Snake island called as "the rare island of the world "is our countrys precious one, which is famous for only one kind of pallas pit vipers live there.
蛇岛是我国珍贵的宝岛，以栖息大量单一蝮蛇而闻名于世，被称为“世界奇岛”。
The pit vipers are a large group of advanced venomous snakes that evolutionarily arose in china but spread to the new world across an ancient land bridge connecting northeastern siberia with alaska.
蝮亚科（pitvipers）起源于中国，是通过连接西伯利亚东北部与阿拉斯加的古陆桥而扩散到美洲的一大类高等的毒蛇。
New World vipers with hollow fangs and a heat-sensitive pit on each side of the head.
新大陆角蝰，头的每侧长有空心毒牙和对热敏感的凹槽。
New World vipers with hollow fangs and a heat-sensitive pit on each side of the head.
新大陆角蝰，头的每侧长有空心毒牙和对热敏感的凹槽。
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