viperine

例句：

1. 1. The viper is a venomous snake that can strike with deadly accuracy.
   蝰蛇是一种有毒的蛇，可以准确无误地攻击。
2. 2.The viper's venom is highly toxic, causing severe pain and swelling.
   蝰蛇的毒液非常有毒，会导致剧烈疼痛和肿胀。
3. 3. In the wild, vipers are often found in rocky areas where they can hide from predators.
   在野外，蝰蛇通常被发现在岩石地区，这样它们就可以躲避捕食者了。