Jiaoqi's Pinyin was jiāo qí.
The Pinyin he handed in was jiāo. The common terms of communication were: traffic, exchange, exchange, hand over, communication, transaction, diplomacy, conversation, establishment of diplomatic relations, submission, traffic police, intersection, public transport, account, account, hand over, negotiation, hand over, communication, hybrid, delivery, deal, deal, interweave, hand over, alternate, diplomat, confrontation, handover, diplomatic relations, etc.