The backup system
Example: Backup system ensures energy supply during failures
Definition
This definition is temporarily unavailable.
Etymology
This etymological information is temporarily unavailable.
Learn to use this word actively
"The backup system" appears in the Vocaplus list "English - Energy - (A1-C2) - set 1", containing 110 commonly used words.
Would you like to not only understand these words, but also remember them and use them actively? Create a free account and select English as the language you want to learn.
Create a free account
