[] the most important and necessary facts, skills, ideas, etc. from which other things develop基本因素◆the basics of computer programming计算机编程的基本原理the simplest and most important things that people need in a particular situation基本需要◆We need to buy a few basics like paper and envelopes.我们需要购买纸、信封之类的基本用品。➡ idiom at back adv.