1.to switch sth over or to switch over sth
+ system, task使变更；使转变；使改变
Discussions are ongoing to switch over the responsibility for Bosnia to the European Union.关于转由欧盟对波斯尼亚负责的事仍在讨论中。
2.【电视,无线电】to switch sth over or to switch over sth
+ programme使(电视或广播节目)转换