And it can be used as a "surname", and the other three are not surnames.
2. As a preposition:
Sum means "until a certain time", and the other three all mean "and" when ".
3. As a verb:
And, can't be verbs, the other three can be verbs; Harmony, if not matched with other words, is the "harmony card" in mahjong.
4. Do auxiliary words:
, and are mostly used to mean "horse", and the other three can't be used as auxiliary words.
5. Make conjunctions:
Sum means sum, and the other three cannot be used as conjunctions.
6. Be an adverb:
"He" is a rhetorical question, which is equivalent to "Qi"; Represents the frequency, which is equivalent to "again"; Indicates the degree, which is equivalent to "pole". The other three can't be conjunctions.
Extended data:
The evolution of "Ji" shape
The evolution of the "He" glyph
The evolution of the "He" glyph
The evolution of "Ji" shape