isoprene type centerblock

例句：

1. 1. The new centerpiece ofthe exhibition is a large sculpture made fromrecycled materials.
   展览的新焦点是一个由回收材料制成的大型雕塑。
2. 2. The scientist used isoprene-type centerpieces to studythe properties of polymers.
   科学家使用异戊二烯型中心聚块来研究聚合物的性质。
3. 3. The centerpiece of the restaurant's menu is a mouthwateringseafood platter.
   餐厅菜单的焦点是一道令人垂涎的海鲜拼盘。