1 involving important people 涉及重要人士的；高阶层的: high-level talks 高阶层会谈

2 (computing计算机技术) (of a computer language) similar to an existing language such as English, making it fairly simple to use （指计算机语言）高级的，高阶的（与现存语言相似，便于使用） [OPP] low-level 反义词为low-level