In most venomous snakes, like vipers and cobras, the venom is used to catch and inmoblize the prey; but in colubrids, venom drips onto the prey only after the prey is in the snake's mouth.

在大多数毒蛇中，如蝰蛇和眼镜蛇，毒液用于捕捉猎物、使其无法行动；但在彩颌类中，只有在猎物到了蛇嘴里后，毒液才会滴到猎物身上。

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Eyelash vipers are indigenous to Central and South America and come in a variety of colors, including shocking yellow.

扁斑奎蛇在中美洲和南美洲土生土长，并有着各种颜色，其中包括惹眼的黄色。

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He has made similarly offensive comments before: He has referred to Arabs as "vipers," and in a 2001 sermon during the Jewish holiday of Passover, he called for Israel to "annihilate" Arabs.

现年89岁的Yosef 在北非裔和中东裔犹太人当中很有影响力，并且以前就曾有过这类攻击性的言辞：在2001年逾越节的布道中，他把阿拉伯人称作“毒蛇”，并号召以色列彻底消灭阿拉伯人：“对阿拉伯人太仁慈是不行的，必须用导弹彻底消灭他们，他们就是些该下地狱的邪恶之徒。”

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Because it is the only time, vipers and mambas, very much awake and alert, frequently bite these women.

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Along the way Andrews braved severe sandstorms, blistering temperatures of up to 120 degrees, pit vipers and marauding bandits.

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The Vipers and the Energy are top of their respective conferences, giving an added edge to a coaching rivalry that began when Finch took over the reins at Sheffield in 1997.

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