flash drive
noun(also USB drive, pen drive)
(North American English also thumb drive)
(a small memory device that can be used to store data from a computer or digital camera and to move it from one device to another 闪存盘；闪盘；U 盘 
Insert the flash drive into the USB port. 将闪存盘插入USB端口。 The flash drive is compatible with all notebook PCs running Windows. 闪存驱动器与所有运行Windows的笔记本电脑兼容。