扫码 (sǎo mǎ) — to scan a QR code or barcode

扫码 means 'to scan a code' (QR or barcode) with your phone. It's a verb-object phrase — the general scan verb 扫描 is used for documents/images, not phone codes.

verb
to scan a QR code or barcode

예문

  • 扫码
    Jìn tú shū guǎn xū yào sǎo mǎ.
    You need to scan a code to enter the library.
  • Nǐ sǎo yí xià mǎ jiù néng jìn qù.
    Just scan the code and you can go in.
  • Tā sǎo wán mǎ jiù jìn diàn le.
    He scanned the code and then entered the store.

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