if one thing is based on another, it uses it or is developed from it （以某事）为基础，为依据◆The report is based on figures from six countries. 这份报告以六个国家的数据为依据。◆a broadly based technology and entertainment company (= one with a wide range of products) 一家有广泛基础的技术和娱乐公司（经营范围广泛的公司）
(also used in compounds 亦用於复合词) working or doing business in or from a particular place 以…为据点（总部等）◆I'm based in Osaka but I spend most of my time travelling. 我以大阪为据点，但我的大部分时间都要外出公干。◆a Prague-based company 总部设在布拉格的公司◆web-based training courses 网上培训课程
-based (used in compounds 用於复合词) having sth as an important feature or part 以…为重要特徵（或部分）◆oil-based paint 油基涂料