请帮我看一下这段话是否有语法错误，谢谢 如果有，帮忙改正。

有几处表达有误，以下是我的修改，希望能帮到你，共同进步，望采纳。O(∩_∩)O。。
Snow White is the first minister cartoons of the world movie history, according to the adaptation of Green fairy tale. The main story is that her step mother is jealous of her beauty and vowed to put her to death.But Snow White escaped again and again by the help of the warrior, forest birds and beasts and the seven dwarfs, and her stepmother is hoisted by her own petard and die under the cliff.

— —这是百度翻译下的吗？全部都是错的
snow white is the first long cartoon in the history of world movie,which is based on the green fairy .it mainly talked about the step mother of princess snow white decided to kill her for her beauty,nut with the help of knight,animals in the forest and 7 dwolves,she escaped from the murder,.at last her step mother died in the cliff caused by herself