base用作名词基本意思是底座、基础，一般指具体有形的事物的底部、基座等，也可用来比喻理论的基础或讨论的根据等。base还可作基地解，多指军事或工业基地。base用作动词是把…建立在，以…为基础的意思。

例句：He didn't make it past first base.他未能跑过一垒。She used her family's history as a base for her novel.她以她的家族史作为小说的素材。The decision was based on emotion rather than rational thought.这个决定不是基于理性的思考而是基于感情作出的。