缘分百合
二维码英文是QR code。
例句：
1、他让学生们通过二维码交作业。
He asked his students to hand in their homework through a QR code.
2、然后，每个学生制作自己的二维码给我。
Then, each student makes his own QR code and gives it to me.
3、使用“e电车”需按下停车桩上的按钮，然后用手机扫描二维码。
To use the bikes, one has to press a button at the station and then scan a QR code with a mobile phone.
4、在附近一家咖啡馆，咖啡师扫了CNN助理沈璐手机上的二维码。
At a nearby coffee shop, the barista scans a QR code on CNN news assistant Shen Lu's phone.
5、目前支付宝是一款独立的电子设备应用软件，消费者支付时需要打开支付宝app，然后扫描商家提供的二维码进行支付。
Currently Alipay is a separate app on the devices. When customers pay, they need to open the Alipay app, then scan a QR code provided by the retailer.
