nucleated glass

例句：

1. 1.The nucleus of the new project is located in downtown.
   新项目的中心位于市中心。
2. 2. The nucleus of the cell is the nucleolus.
   细胞的核心是核仁。
3. 3. The nucleus of the earth's core is made up of molten iron.
   地球核心的核由熔融的铁构成。