This routing approach is called Packet Switching.

这种路由方法称为分组交换。

The solution is to chop up big transmissions into many small pieces, called packets.

解决方案是将大传输分成许多小块，称为数据包。

Let's call it packet that is being sent over USB.

我们称它为通过 USB 发送的数据包。

They started making what we call social biography packets, which is families making a compilation of photos and certificates and letters that show past challenges and hardships and accomplishments, and future prospects and opportunities.

他们开始制作我们所说的社会传记包，即家庭制作照片、证书和信件的汇编， 展示过去的挑战、艰辛和成就， 以及未来的前景和机遇。