二维码 Save Sign in to save words Traditional (Taiwan): 二維碼 On the HSK 5 vocabulary list, at CEFR level C1. èrwéimǎ ㄦˋ ㄨㄟˊ ㄇㄚˇ 2D barcode matrix code QR code esp. Character by character 二(èr)two 维(wéi)preserve 码(mǎ)agate A Chinese word or character, or English Search 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