What are the two different ways in which snake poison acts?

蛇毒发生作用的两种途径是什么?

He knows every snake poison and rat toe.

他知道每一种蛇毒和鼠趾。

A few days before her departure, however, Cleopatra managed to evade surveillance and killed herself, probably with snake poison which was brought into the prison in a basket.

然而，就在她离开的前几天，克利奥帕特拉成功地躲过了监视并自杀了，可能是用装在篮子里带进监狱的蛇毒自杀的。