活字

He is a walking dictionary.

是一个活典。

Badly worn type prints poorly.

磨损的活印得不清楚。

The agriculturist, Wang Chen-ho creations of wood for insertion of success, he also invented the punner racks, with a simple machine, increasing the efficiency of the typesetting.

到了元代，农学家王祯创制木活成功，明了转轮排架，用简单的，加排的效率。