an occasion when a ribbon (= a long narrow strip of coloured material) is cut in order to open a new hospital, school, etc. for the first time, especially as part of an official ceremony

She gave a short speech at the ribbon cutting. 她在剪彩仪式上作了简短的发言。

The hospital was officially opened on 30 November with a ribbon cutting ceremony. 医院于11月30日正式开业，并举行了剪彩仪式。