交流 On the HSK 3 vocabulary list, at CEFR level B1. jiāoliú ㄐㄧㄠ ㄌㄧㄡˊ to exchange exchange communication interaction to have social contact (with sb) Where 交流 is used Example sentences and grammar articles using 交流 Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT