backup
🇺🇸
/ˈbækʌp/
🇬🇧
/ˈbækʌp/
noun
C1
extra help or support that is ready if needed
The police called for backup when the situation became dangerous.
當情況變得危險時，警察請求了支援。
C1
a copy of important data that can be used if the original is lost
Make sure you have a backup of your files in case your computer fails.
確保你有檔案的備份，以防電腦出現故障。
translation
後備支援, 資料備份
詞形變化
Plural
backups