The snake was thought to be an eastern diamondback rattlesnake .
据说咬他的蛇是一只东部菱形斑纹响尾蛇。
Rattlesnake venom toxins work by breaking down tissues and causing internal bleeding .
响尾蛇的毒素是通过破坏组织结构引起内出血来生效的。
He looks like a wrangler , taming a particularly ornery rattlesnake . Sweat is streaming down his face .
他就像个牧马人，正在驯服一条脾气暴躁的响尾蛇，汗水顺着他的脸流下来。
In 1998 two drugs to prevent heart attacks , derived from rattlesnake and viper venoms , were approved .
在1998年经批准有两种药物可用来防止心脏病发作，就提取自响尾蛇和毒蛇的毒液。
A couple of dented beer cans lay half-buried in a patch of purple monkshood , and a rubber dangled like a stubby rattlesnake skin from a nearby laurel branch .
