back-up是什么意思？

• sweater
• 造型的英文
• 参与者英文
• cheese
• supper
• mind
• general
• lake
• neck
• 解决方案英文
• 缺陷英文
• 抛弃英文
• scared
• ticket
• theatre
• repeat
• disappointed
• 旋律的英文
• PEGGING
• various
• profile
• banger
• polite
• narrow
• emergency
• default
• amazing
• erased
• satisfaction
• aspect

• 长颈鹿英语怎么说
• lesson
• 队长的英文
• tomato
• searches
• explore
• searches
• rice
• 分配英文
• tourist
• brat
• ultra
• 导师英文
• 权限英文
• 局外人英文
• cloud
• passage
• juice
• dragon
• volume
• PAXLOVID怎么读
• 参数英文
• 实施英文
• begins
• fiercely
• vehicle
• panicked
• approaches
• passage
• BARRIE

• a fat cat
• a few
• a great deal
• a la mode
• a little
• a lot
• a number of
• abide by
• above all
• access code
• according to
• account executive
• account for
• act as
• ad hoc
• add up
• ahead of time
• air conditioner
• air hostess
• alarm clock
• alcoholic beverage
• all but
• all in all
• all of a sudden
• all over
• all right
• all the same
• all the time
• all the way
• allow for