1
- forming an essential foundation or starting point; fundamental基本的; 基础的：
certain basic rules must be obeyed
有些基本规则必须要遵守
the laying down of arms is basic to the agreement.
放下武器是达成协议的基础。
1.1
- offering or consisting in the minimum required without elaboration or luxury起码的; 最简单的：
the food was good, if a bit basic.
伙食不错, 就是有些简单。
1.2
- common to or required by everyone; primary and ineradicable or inalienable基本的; 初步的：
basic human rights.
基本人权。
2
- Chemistry having the properties of a base, or containing a base; having a pH above 7【化】碱的; 含碱的; 碱性的。常与ACID或ACIDIC 相对; 比较ALKALINE.
2.1
- Geology (of rock, especially lava) relatively poor in silica【地质】（岩石, 尤指火山岩）含氧化硅较少的。
2.2
- Metallurgy relating to or denoting steel-making processes involving lime-rich refractories and slags【冶】碱法的。
noun
1basics
- informal the essential facts or principles of a subject or skill〈非正式〉基本要素; 基本原理; 基本原则：
I learnt the basics of programming on a course
我学会了规划一门课程的基本要领
teachers are going back to basics to encourage pupils to learn English.
老师们又回到基本要点以鼓励学生学习英语。
1.1
- essential food and other supplies（食物及其他供应的）基本供给：
people are facing a shortage of basics like flour.
人们正面临面粉之类基本供给的短缺。
词源