A venomous tropical American pit viper (Bothrops atrox) having brown and grayish markings.
矛头蛇一种产于美洲身上有褐灰色斑点的热带毒蛇（矛头蝮矛头蝮属）
" Extremely venomous pit viper (genus Bothrops), found in diverse tropical American habitats, from cultivated lands to forests. " Vipers (adders) and rattlesnakes manufacture the blood poison, which is known as haemolytic.
蛇科响尾蛇亚科洞蛇属极毒蛇类，遍布美洲热带各种生境，从耕地到热带森林。蝰蛇（小蝰蛇）和响尾蛇产生血毒液，这种毒液叫溶血素。
The name is sometimes applied to all members of the Central and South American genus Bothrops and to an Asian genus, Trimeresurus.
矛头蛇一名有时泛指中、南美洲的洞蛇属和亚洲的竹叶青蛇属的各种毒蛇。
Certain of the snakes, such as Crotalus, Bothrops, Lachesis, Trimeresurus, and Agkistrodonpossess a pair of pit organs which enable snakes to detect and capture prey animals in the dark.
许多蛇类，例如响尾蛇属，洞蛇属，饭匙倩蛇属，竹叶青蛇属和蝮蛇属等在头部具有一对能在黑暗中探测和捕获猎物的凹陷器官。
" Extremely venomous pit viper (genus Bothrops), found in diverse tropical American habitats, from cultivated lands to forests. " Vipers (adders) and rattlesnakes manufacture the blood poison, which is known as haemolytic.
蛇科响尾蛇亚科洞蛇属极毒蛇类，遍布美洲热带各种生境，从耕地到热带森林。蝰蛇（小蝰蛇）和响尾蛇产生血毒液，这种毒液叫溶血素。