unascertained是什么意思？

• ticket
• droplets
• modernize
• crayon
• 确认英文
• narrow
• 流浪者英文
• PEGGING
• 权限英文
• banger
• 缺陷英文
• 参与者英文
• lycopene
• 来源英语
• 纪念品英语
• 实施英文
• searches
• failure
• giraffe
• passage
• saturday
• volume
• juice
• silver
• general
• supper
• 旋律的英文
• lesson
• client
• amazing

• vehicle
• tourist
• sweater
• explore
• intermission
• begins
• dragon
• neck
• 呼吁英语
• bothering
• 队长的英文
• tomato
• cloud
• repeat
• scared
• conflict
• text
• prompt
• 导师英文
• 参数英文
• giraffe
• brat
• 造型的英文
• panicked
• 局外人英文
• monitor
• committing
• theatre
• 领域英语
• general

• make up for
• no doubt
• off and on
• on a large scale
• on a small scale
• on average
• on business
• on condition that
• on duty
• on earth
• on fire
• on foot
• on guard
• on hand
• on occasion
• on schedule
• on second thoughts
• on the ground of
• on one hand
• on the point of
• on the road
• on the spot
• on the whole
• once again
• once for all
• once in a while
• out of breath
• out of control
• out of date
• out of doors