It USES two round containers made of clay. A smaller pot is placed inside a larger one.

该系统使用两个由黏土制成的圆形容器，把小罐子放到大罐子里面。

youdao

It USES two round containers made of clay. A smaller pot is placed inside a larger one.

该系统使用两个由黏土制成的圆形容器，把小罐子放到大罐子里面。

youdao