Move up and down是什么意思？

• aspect
• 参数英文
• passage
• panicked
• 确认英文
• polite
• intermission
• 局外人英文
• predict
• text
• theatre
• saturday
• 领域英语
• maths
• 导师英文
• permitted
• modernize
• 方案英语
• supper
• fake
• various
• droplets
• amazing
• brat
• 解决方案英文
• failure
• tomato
• BARRIE
• disappointed
• sweater

• 实施英文
• general
• general
• lesson
• giraffe
• searches
• mind
• 造型的英文
• 分配英文
• chess翻译
• erased
• toxicity
• lycopene
• vehicle
• 来源英语
• conflict
• rice
• candy
• ultra
• begins
• firmness
• front
• silver
• neck
• crayon
• satisfaction
• profile
• 缺陷英文
• fiercely
• prompt

• reservedly
• be ruffled
• battle cry
• external centre
• lipoidosis
• onymous
• follow with interest
• ventil
• flat country
• short person
• Dog barking
• electron tube
• vacuum tube
• way out
• Install the valve in
• be clear of
• blas
• vacuum valve
• put to the sword
• rambunctiously
• the authorities
• wage war
• comandante
• cycle racing
• boldfaced word
• boldface letter
• boldfaced character
• military camp
• broken ends