QR code™

noun

🔊/ˌkjuː ˈɑː kəʊd/

🔊/ˌkjuː ˈɑːr kəʊd/

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a pattern of black and white squares that contains information, often a web address, that can be read by the camera on a smartphone (the abbreviation for ‘quick response code’)二维码（包含网址等信息，智能手机的相机可读取）