center head

例句：

1. 1. The center of the city is bustling with activity.
   市中心繁忙活跃。
2. 2. The centerpiece of the garden is a beautiful fountain.
   花园的中心是一处美丽的喷泉。
3. 3. The center of the debate was the question of funding.
   辩论的中心问题是资金问题。