Pinyin: written language

detailed description

A wooden or thin iron sign painted white or black for temporary notes is called it because it can be written after being washed with water.

Ming? John doe? The poem "Breaking the Wind" is the third fold: "If you close these three doors, you will be afraid of visitors. Please write it on the water label and wait for me. " ?

Ming? Lang Wei? "Dialectical Eight Simple Boards in the Seventh Revision": "A long thin board coated with oil powder is often called a simple board, which saves paper because it is easy to remove typos. It's used by the government. It's called a water card. Covered with water, it can be decontaminated and removed, and can be reused after use. " ?

Zhao Shuli? "Little Manager": "Sanxi" just learned to read and understand accounting at first, and then slowly learned to write-write the words on the account book on the water mark, wipe it when it is full, and then write it when it is finished. "

In ancient times, water brand was also a brand for guests to order songs.