the crux of the problem是什么意思？

• 实施英文
• saturday
• 抛弃英文
• passage
• ticket
• approaches
• silver
• disappointed
• permitted
• predict
• 来源英语
• passage
• satisfaction
• 队长的英文
• intermission
• searches
• giraffe
• fiercely
• 流浪者英文
• searches
• committing
• neck
• explore
• failure
• various
• cheese
• 呼吁英语
• lesson
• PEGGING
• 解决方案英文

• brat
• 缺陷英文
• pear
• 局外人英文
• tomato
• juice
• 方案英语
• general
• rice
• mind
• droplets
• bothering
• vehicle
• 造型的英文
• supper
• cloud
• ultra
• candy
• lake
• 导师英文
• narrow
• prompt
• 领域英语
• repeat
• aspect
• crayon
• dragon
• organizations
• 长颈鹿英语怎么说
• tourist

• prominent personage
• Focus on results
• primeministers
• From Gaul
• umbral
• base pair
• guildhalls
• Crosmann
• a bowl of
• multilingual
• Stacy
• database New Year
• withinreason
• more replete
• baldeagle
• welcomeaboard
• hold point
• natrually
• unclear in meaning
• tetra morphism
• Crimson lake
• crimson red
• bigcelebration
• fried egg
• Geaves