deathworm

基本解释

Another possibility is that the death worm is a member of the cobra family called the death adder.
另一种可能性是死亡蠕虫属于眼镜蛇家族的一员，叫做小蝰蛇。
blog.sina.com.cn
The death worm is so feared among Mongolians that many consider the mere mention of its name bad luck.
死亡蠕虫在蒙古造成了人们对它恐慌。多数人认为，就算只是提起它的名字也会带来厄运。
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"Shut it, " growled Moody. "As I've already told you, you spineless worm, any Death Eaters we run into will be aiming to capture Potter, not kill him.
“闭嘴，”穆迪吼道，“你这个没有骨头的爬虫，我告诉过你，不管我们碰到的是哪些食死徒，他们的目的都抓住波特，而不是杀死他。
okread.net

My first (and worst) pet was a newt that choked to death on a bad worm.
NEWYORKER: A Box of Puppies