not supported by or attached to anything 自力支撑的；无依附的；独立的 a free-standing sculpture 独立的雕塑
not a part of something else 单独的；独立的 a free-standing adult education service 自成体系的成人教育服务 Modules may be offered as free-standing units or in integrated programmes of study. 各课程单元可自成体系，亦可作为整体学习计划的组成部分。 We can supply both free-standing and wall-mounted gas boilers. 独立式和壁挂式燃气炉我们均可提供。