Backing storage/backing store

中文含义：备份存储，后备存储

英语词性：noun

美式发音：/’bækɪŋ ˈstɔːrɪdʒ/ or /ˈbækɪŋ stɔːr/

同义词：secondary storage, auxiliary storage

易混淆单词：cache, RAM (Random Access Memory)

双语例句：

  1. Files are stored on the hard drive or other backing storage device.
  2. The data is copied from the main memory to the backing store when the computer is turned off or restarted.