base

noun [专属名词]根基，底部；基础；基地；基础成分；（数字进位制中的）基数；（棒球）垒；碱，盐基；（晶体管的）基极；词根

• The base of something is the lowest part of it, where it is attached to something else. ^基部

verb [vt. 及物动词]以……为基础；把基地设在……

• If you base one thing on another thing, the first thing develops from the second thing. ^{以…为基础}