reverse Pollish notation

例句：

1. 1.The car was reversed into the garage.
   汽车被倒进了车库。
2. 2. She reversed the order of the sentences in her essay.
   她在作文中颠倒了句子的顺序。
3. 3. The company reversed its decision to close the factory.
   公司撤销了关闭工厂的决定。