electric stone ware

例句：

1. 1. This electric stone ware is very useful for cooking.
   这种电石瓦在烹饪中非常有用。
2. 2. The ancient Chinese used to make their own electric stone ware.
   古代中国人曾经自己制作电石瓦。
3. 3. The electric stone ware was invented by a scientist who wanted to improve cooking efficiency.
   这种电石瓦是由一位科学家发明的，他想要提高烹饪效率。