centre of figure

例句：

1. 1. The centre of the city is bustling with activity.
   市中心熙熙攘攘。
2. 2. The center of the problem lies in the lack of communication.
   问题的核心在于缺乏沟通。
3. 3. The centerpiece of the exhibition was a stunning sculpture.
   展览的焦点是一件令人惊叹的雕塑作品。