Jiao is an upper and lower structure.
Chinese character: 交
Pronunciation: jiāo
Radical: 亠
Strokes: 6
Basic meaning : 1. Entrust, hand over: hand over work, hand in papers, hand in business.
2. Intersection, connection: intersection, junction, intersection, intersection, intersection, symphony.
3. Contact each other: communication, transaction, negotiation.
4. Be friendly with others: make friends and make friends.
5. Together, at the same time: merge, work, wind and rain.
6. Harmony of the two sexes: sexual intercourse and hybridization.
7. Same as "wrestling".