reference book是什么意思？

• narrow
• theatre
• toxicity
• 参数英文
• passage
• predict
• text
• giraffe
• dragon
• profile
• approaches
• ultra
• tourist
• fiercely
• lycopene
• neck
• 分配英文
• aspect
• 缺陷英文
• 呼吁英语
• 旋律的英文
• 实施英文
• failure
• saturday
• reveal
• amazing
• front
• 导师英文
• 解决方案英文
• lesson

• permitted
• giraffe
• silver
• general
• erased
• default
• explore
• begins
• sweater
• supper
• intermission
• PAXLOVID怎么读
• scared
• firmness
• 长颈鹿英语怎么说
• 纪念品英语
• organizations
• emergency
• modernize
• conflict
• candy
• 局外人英文
• peeping
• 领域英语
• ticket
• 参与者英文
• 抛弃英文
• 确认英文
• BARRIE
• autumn

• unpalatable
• unparalleled
• unprecedented
• unpredictable
• unpromising
• unrestrained
• unrestricted
• unscrupulous
• unselfish
• unsophisticated
• unspoiled
• unsubstantiated
• untapped
• untouched
• unwieldy
• upheaval
• uproot
• upscale
• urgency
• utilitarian
• utopian
• utterance
• vacate
• validate
• vaporization
• vaporize
• variability
• variance
• varnish
• vaulted