Memory Stick
noun [ C ] trademark uk/ˈmem.ər.i ˌstɪk/ us/ˈmem.ɚ.i ˌstɪk/ (also flash drive, USB stick)
（数码相机，掌上设备的）记忆棒
a brand name for a small piece of equipment that you connect to a computer or other piece of electronic equipment to copy and store information