a venomous snake with large hinged fangs, typically having a broad head and stout body, with dark patterns on a lighter background 蝰蛇。 参见pit viper, adder
Family Viperidae: numerous genera and species 蝰科:众多属,众多种参见pit viper, adder ■a spiteful or treacherous person 险恶的人;背信弃义的人
常用词组 viper in one's bosom
a person who betrays those who have helped them 怀中的毒蛇,忘恩负义 的人