Low-level books and periodicals是什么意思？

• ticket
• brat
• cheese
• 队长的英文
• permitted
• juice
• modernize
• prompt
• approaches
• bombarded
• narrow
• firmness
• banger
• explore
• maths
• 缺陷英文
• monitor
• 导师英文
• general
• PEGGING
• predict
• lake
• 流浪者英文
• begins
• autumn
• polite
• amazing
• lycopene
• 参与者英文
• profile

• searches
• scared
• various
• candy
• neck
• committing
• droplets
• lesson
• saturday
• peeping
• rice
• disappointed
• algiers
• 确认英文
• bothering
• crayon
• default
• reveal
• supper
• text
• silver
• client
• 局外人英文
• 纪念品英语
• passage
• BARRIE
• 抛弃英文
• repeat
• fake
• 方案英语

• dyspepsia
• dyspepsodynia
• dyspepsy
• dyspeptic
• dyspeptone
• dysperistalsis
• dysphagia
• dysphasia
• dysphonia
• dysphoria
• dysphrasia
• dyspituitarism
• dysplasia
• dysplastic
• dyspnea
• dyspneic
• dyspnoea
• dyspnoeic
• dysponderal
• dysporia
• dysprosium
• dysraphism
• dysrhythmia
• dyssebacea
• dyssebacia
• dyssecretosis
• dysstasia
• dyssymbolia
• dyssymmetry
• dyssynergia