英语句子翻译，quickly~_英语句子翻译顺序

Tom is great in science, while his brother is terrible.

Tom擅长理科，而他的兄弟绝对不可救药。

In this country, the South is doing increasingly richer, while the North is doing unfortunately poorer .这个国家的南方越来越富裕，而北方却越来越贫穷。