a large brown toad (= an animal similar to a frog with rougher skin) originally from tropical South America, but sometimes introduced into other places, for example Australia

Cane toads are now one of Australia's worst environmental disasters. 蔗蟾蜍现在是澳大利亚最严重的环境灾难之一。

Cane toads are protected by powerful toxins in their skin that can kill predators that try to eat them. 蔗蟾蜍通过皮肤里强大的毒素保护自己，可以杀死试图吃掉自己的天敌。