根本的英文是basic。
例句：
1、该变化没有预示社会状况的根本改观。
The change did not portend a basic improvement in social conditions.
2、该委员会明确指出住房不足是威胁村民生活的根本问题。
The commission pinpoints inadequate housing as a basic problem threatening village life.
3、那是你们性别的根本缺陷，我明白。
It's the basic flaw of your gender，I get it.
4、亚特兰大主要面临两个根本的事实。
Atlanta has two basic facts.
5、一般来讲，保持皮肤的湿润、有弹性以及光滑是所有皮肤护理的根本。
In general, keeping the skin moist, elastic1 and smooth is the basic of all skin-care treatments.
海鲜饭泡粥
