单词	data file
释义	data file noun variants or less commonly datafile ˈdā-tə-ˌfī(-ə)l  ˈda-,  also  ˈdä- plural data files also datafiles : a digital file on which data is stored Call a professional and check your system before trying to insert that recovery disk. If the disk is readable, your important data files can be copied before any reinstalling activity starts. George Cox Word History First Known Use 1955, in the meaning defined above
随便看	substractions substracts substrata substratal substrate substrates substratist substrative substratose substratosphere substratospheres substratospheric substratum substratums substriate substruct substructed substructing substruction substructional substructions substructs substructural substructure substructures

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