a beautiful vase of orchids as a centrepiece放在中央的一瓶漂亮的兰花

This Bill is the centrepiece of Labour's legislative programme.该议案是工党立法方案的核心内容。

The centrepiece of the plan is the idea of regular referendums, initiated by voters.该计划的要旨是选民提出的定期公民投票这一主张。