per biennium是什么意思？

• reveal
• tomato
• giraffe
• crayon
• juice
• various
• 领域英语
• sweater
• 抛弃英文
• polite
• general
• begins
• approaches
• tourist
• intermission
• panicked
• 参数英文
• brat
• 造型的英文
• saturday
• searches
• toxicity
• scared
• amazing
• client
• cloud
• pear
• 流浪者英文
• permitted
• repeat

• 分配英文
• silver
• giraffe
• ticket
• 导师英文
• satisfaction
• emergency
• PEGGING
• searches
• lake
• firmness
• text
• bombarded
• 解决方案英文
• dragon
• 方案英语
• lesson
• vehicle
• failure
• front
• volume
• algiers
• 局外人英文
• 来源英语
• profile
• 确认英文
• droplets
• 队长的英文
• committing
• 参与者英文

• ransom money
• autonomous rule
• Pecksniffian
• woman of the town
• on these grounds
• cock tap
• air parcel
• Horae
• tonetic
• working procedure
• paper clips
• smokestack
• ported meat paste
• Zhanghe
• corkscrew spin
• adipinic acid
• sileris
• balloonfishes
• Transtate
• ipsism
• put down roots
• display device