他把字刻在一小块一小块的胶泥上，放进火里烧硬，做成一个个活字。

He engraved the characters on small pieces of clay, and heated them until they became hard movable characters.

youdao

他把字刻在一小块一小块的胶泥上，放进火里烧硬，做成一个个活字。

He engraved the characters on small pieces of clay, and heated them until they became hard movable characters.

youdao