pervicacious

例句：

1. 1. The poisonous snake was a real danger to anyone who came near it.
   这条有毒的蛇对靠近它的人来说是一个真正的危险。
2. 2. The venomous snake is known for its deadly bite.
   这种有毒的蛇以其致命的咬伤而闻名。
3. 3.The lethal virus killed many people in the outbreak.
   这种致命的病毒在疫情中杀死了许多人。