(1) pictophonetic characters. From (pū), the sound of the building. Original meaning: points; Do the math.
② The original meaning is the same [counting]
1, the pound sign is not uncommon.
2. sh avatar count
3. Number of numbers
When reading sh, most of them are nouns, such as mathematics and numbers.
When pronounced as the incarnation of sh, it is mostly a verb, such as cursing.
When it is pronounced shuò-dong, it is often used in ancient Chinese, mostly adverbs.
Repeatedly, often. ~ it's not new. ~ violation of the border.