The pipe is hollow是什么意思？

• sweater
• tomato
• 队长的英文
• volume
• algiers
• giraffe
• 局外人英文
• erased
• scared
• ultra
• droplets
• supper
• amazing
• approaches
• disappointed
• cloud
• text
• 导师英文
• chess翻译
• banger
• juice
• polite
• monitor
• vehicle
• 流浪者英文
• permitted
• 实施英文
• crayon
• front
• failure

• 解决方案英文
• profile
• neck
• 来源英语
• cheese
• conflict
• searches
• toxicity
• autumn
• organizations
• narrow
• brat
• fiercely
• ticket
• predict
• intermission
• 确认英文
• 参与者英文
• candy
• dragon
• various
• 领域英语
• passage
• emergency
• lycopene
• modernize
• 权限英文
• aspect
• saturday
• lesson

• Agassi
• practised
• compliments
• unbearably
• consulting
• vocals
• Manilow
• repairs
• offending
• backpedaled
• commitments
• servants
• backtracked
• scrapping
• unlocked
• Larry
• unskilled
• flipped
• keeps
• teeth
• Treasury
• relegated
• backwaters
• backwoodsmen
• complaining
• Cuba
• smoked
• streaky
• prevented
• Jeffrey