The tough route是什么意思？

• passage
• 来源英语
• dragon
• lesson
• silver
• passage
• 导师英文
• failure
• disappointed
• juice
• 实施英文
• profile
• general
• mind
• algiers
• cheese
• 纪念品英语
• permitted
• neck
• 缺陷英文
• various
• 造型的英文
• 解决方案英文
• bombarded
• conflict
• maths
• giraffe
• 分配英文
• scared
• lake

• supper
• firmness
• begins
• vehicle
• bothering
• monitor
• PEGGING
• explore
• cloud
• theatre
• chess翻译
• droplets
• 参数英文
• ultra
• saturday
• erased
• organizations
• volume
• giraffe
• 队长的英文
• 领域英语
• reveal
• client
• repeat
• narrow
• searches
• modernize
• default
• 确认英文
• panicked

• phillyrin
• microcrystal
• motorcars
• fierce and tough
• Line of Life
• coralline
• ouzel
• fry cuttlefish
• scuppers
• pyrogenic
• cape jasmine flower
• toward evening
• Philomela
• saccule
• Chihu
• entropically
• dephlegmation tower
• take place by turn
• smashup
• come to one
• uterolith
• most responsible
• Pereval
• One side
• Make thin
• Heilong River
• anastole