ferromagnetic glass

例句：

1. 1. The new window is made of ferromagnetic glass, which makes it difficult to open.
   新窗户是用铁磁性玻璃制成的，这使得它很难打开。
2. 2.The ferromagnetic glass was used in the construction of the bridge.
   这种铁磁性玻璃被用于桥梁的建设。
3. 3. Ferromagnetic glass is a type of material that exhibits magnetic properties when subjected to an external magnetic field.
   铁磁性玻璃是一种在外部磁场作用下表现出磁性特性的材料。