The leading edge of each level of the stairs是什么意思？

• bothering
• rice
• maths
• aspect
• 纪念品英语
• default
• 来源英语
• lesson
• organizations
• firmness
• neck
• committing
• 缺陷英文
• toxicity
• BARRIE
• saturday
• reveal
• giraffe
• 导师英文
• mind
• 解决方案英文
• 队长的英文
• volume
• 抛弃英文
• autumn
• 造型的英文
• lycopene
• 实施英文
• failure
• tourist

• ultra
• 方案英语
• candy
• general
• tomato
• begins
• 分配英文
• scared
• disappointed
• cloud
• sweater
• text
• giraffe
• various
• profile
• conflict
• algiers
• searches
• passage
• permitted
• modernize
• intermission
• droplets
• chess翻译
• prompt
• searches
• 权限英文
• dragon
• bombarded
• 确认英文

• octanoic acid
• oil derrick
• move under water
• State of Siege
• be infected with
• Rail diverter
• heat shocking
• most politic
• saw notch
• cerebrale
• appear on the scene
• Hormones THAI
• anthemorrhagic
• cytopygium
• tintage
• tiltmeter
• staggeringly
• flamingos
• allocate funds
• half cone
• Strawn
• large intesting
• foehn wind
• press plate
• jump the rails