paper back是什么意思？

• banger
• organizations
• 旋律的英文
• 抛弃英文
• client
• volume
• bombarded
• dragon
• 纪念品英语
• reveal
• approaches
• scared
• vehicle
• algiers
• searches
• fake
• searches
• monitor
• firmness
• PAXLOVID怎么读
• erased
• lycopene
• panicked
• default
• 参与者英文
• 确认英文
• passage
• intermission
• chess翻译
• passage

• brat
• 领域英语
• crayon
• 来源英语
• text
• modernize
• 流浪者英文
• toxicity
• sweater
• lesson
• conflict
• disappointed
• lake
• mind
• fiercely
• failure
• autumn
• 导师英文
• cloud
• 实施英文
• peeping
• giraffe
• pear
• front
• supper
• 缺陷英文
• 解决方案英文
• 参数英文
• satisfaction
• prompt

• the Palace Museum
• soap opera
• sitcom
• sports shoes
• no talking
• how often
• junk food
• how many
• yuck
• have a cold
• be stressed out
• yin
• yang
• host family
• Hong Kong
• San Francisco
• take a vacation
• the Great Lakes
• by bus
• how far
• North America
• by boat
• most of
• milk shake