Low-level books and periodicals是什么意思？

• 长颈鹿英语怎么说
• 局外人英文
• volume
• reveal
• peeping
• firmness
• lake
• 参数英文
• panicked
• amazing
• bombarded
• approaches
• BARRIE
• rice
• neck
• 导师英文
• ultra
• satisfaction
• crayon
• text
• cheese
• 领域英语
• theatre
• disappointed
• tomato
• sweater
• default
• 纪念品英语
• bothering
• saturday

• fiercely
• general
• committing
• vehicle
• passage
• 呼吁英语
• 队长的英文
• organizations
• begins
• permitted
• client
• front
• profile
• erased
• maths
• emergency
• toxicity
• fake
• juice
• PEGGING
• 确认英文
• 造型的英文
• lesson
• passage
• narrow
• 旋律的英文
• searches
• chess翻译
• modernize
• autumn

• lithotrities
• litigants
• litigated
• litigates
• littering
• littorals
• liturgies
• livened
• livening
• livens
• livers
• liveries
• liverymen
• lixiviated
• lixiviates
• llamas
• llanos
• loafing
• loafs
• loafers
• loams
• loamed
• loaming
• loaning
• loathes
• lobs
• lobbyists
• lobes
• lobelias
• loblollies