1, brick: Zhu ā n. The radical "_" is simplified to "specialized". Save strokes and simplify them according to ancient calligraphy. Make a special sound from the stone. It is a special example to shake the spindle by hand to concentrate loose silk into bundles. The two paradigms of stone and specialty are superimposed. A kind of stone that can be made of adobe repeatedly is the paradigm of brick.
2. Original meaning: building materials made of adobe. Such as: brick, brick, brick inkstone (making inkstone).
3.extension: extension means "something shaped like a brick" Such as: tea bricks, ice bricks.
Yi Yan: Also used as a surname.
It is a first-class commonly used Chinese character.