U盘的英文翻译是flash memory disk。
详细解释：
flash memory disk
英[fl ?mem?ri disk] 美[fl ?m?m?ri d?sk]
[词典] 优盘; U盘；
[例句]This article puts forward a new solution on the firmware's design of flash memory disk.
本文就提出了一种优盘固件设计的解决方案。
The module can support FAT simplified file system, automatically identify ordinaryflash memory disk, and configure a device as a standard disk drive in order torealize data collection and store when it is on host mode.
该模块作为主机时，支持精简的FAT文件系统，可以对普通U盘进行自动识别，并把设备配置为标准的磁盘驱动器进行数据采集及存储；
The single chip microcomputer mass storage system in low power ullage based onflash memory disk
基于U盘的单片机低功耗海量存储系统
Some use flash memory for storage instead of a hard disk, which makes them morerobust and extends battery life.
有些使用U盘代替硬盘来存储，这使它们更加坚固耐用并且延长电池的寿命。