That woman has the most viperine tongue !

那个女人有最 恶毒的舌头 （ 说话 最 恶毒 ）！

And the effects on these of viperine poison is almost immediate .

毒液对这些 猎物 会 立刻 起作用。

Snakes did not acquire their poison for use against man but for use against prey such as rats and mice and the effects on these of viperine poison is almost immediate .

因为蛇有毒液不是用来对付人，而是对付鼠类这样的猎物， 毒蛇的毒液对这些 猎物 会 立刻 奏效。

One of the serious complications of viperine bite is renal failure .

肾衰竭是 毒蛇咬伤的一种严重并发症。