2. It was first seen in Oracle Bone Inscriptions. Snake, it is mixed with leaves. It was only after the Warring States period that a clear distinction was gradually made.
3. Zi, a first-class Chinese character, was first seen in Shang Dynasty. The original meaning of "word" is conceived for women.
4. Home, a common word in modern Chinese, pronounced jiā, was first seen in Oracle Bone Inscriptions, and its original intention was to live in a house.
5. First, pinyin: xiàn, which is a common first-class Chinese character. This word first appeared in the bronze inscriptions of the Western Zhou Dynasty.