QR code
noun [ C ] uk/kjuːˈɑː kəʊd/ us/kjuːˈɑːr koʊd/
二维矩阵码
a pattern of black-and-white squares that is printed on something and that can be read by some types of mobile phone to give information to the user of the phone
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。