These are word's definitions related to back-sth-up. Click on any word to go to its word's detail page. Or, 更多关于back-sth-up的信息
0 to prove something is true
His claims are backed up by recent research. 最新的研究证实了他的断言。
Make sure you back up your files. 确保你的文件备份了。
1 to drive backwards
最新单词
European
2021年8月16日
每日一词
Shimmer