back sb up是什么意思？

• dragon
• autumn
• organizations
• text
• juice
• fake
• aspect
• theatre
• banger
• profile
• giraffe
• mind
• begins
• BARRIE
• permitted
• searches
• 旋律的英文
• general
• repeat
• neck
• ultra
• saturday
• sweater
• tomato
• passage
• 分配英文
• emergency
• cloud
• silver
• brat

• 导师英文
• pear
• 权限英文
• erased
• 缺陷英文
• 队长的英文
• front
• 参与者英文
• candy
• 抛弃英文
• narrow
• panicked
• vehicle
• volume
• reveal
• 参数英文
• fiercely
• passage
• predict
• 解决方案英文
• toxicity
• PEGGING
• polite
• committing
• bombarded
• bothering
• giraffe
• prompt
• monitor
• maths

• Do it repeatedly
• hug oneself on
• deoxyribotide
• A dream of cooking
• Life is doomed
• Cover with blanket
• In rhyme
• spearpoint
• Tian xia di yi
• taper off
• labarums
• Residue dishes
• Make emptiness
• Make Lin Li