摘要:Database administrators use database management software to determine the most efficient ways to organize and access a company’s data.[阅读全文]

摘要:base, foundation, ground这一组名词都有"基础"的意思。base n.指具体的有形的基础，也可指物体的底部、基部；基地，总部。They use their apartment in New York as a home base from which they travel frequent[阅读全文]