1 forming the part of sth that is most necessary and from which other things develop 根本的；基本的；基础的: The basic question is, can we afford it? 最根本的问题是，我们付不付得起？basic information/facts/ideas 基本资料／事实／理念

2 of the simplest kind or level; including only what is necessary without anything extra 简易的；基本的；初级的: This course teaches basic computer skills. 这门课程教授计算机的基本技巧。The basic pay is £200 a week -- with extra for overtime. 基本报酬是每星期200英镑，加班另计。