Source unknown是什么意思？

• lesson
• organizations
• aspect
• 纪念品英语
• intermission
• cheese
• general
• 参数英文
• polite
• ticket
• bombarded
• banger
• rice
• approaches
• emergency
• 局外人英文
• passage
• droplets
• 领域英语
• giraffe
• failure
• panicked
• volume
• general
• lake
• crayon
• searches
• sweater
• theatre
• searches

• fiercely
• autumn
• monitor
• 权限英文
• 参与者英文
• PEGGING
• modernize
• satisfaction
• permitted
• scared
• narrow
• firmness
• fake
• 分配英文
• reveal
• 呼吁英语
• disappointed
• maths
• client
• 造型的英文
• 长颈鹿英语怎么说
• cloud
• peeping
• prompt
• 来源英语
• bothering
• BARRIE
• vehicle
• 确认英文
• mind

• hit on
• hold sb down
• hold sb to
• hold the line
• hold to sth
• homestay
• in favour of
• in line for
• in one
• in the air
• in the hands of
• in the main
• keep at sth
• keep away from
• keep in with sb
• keep it up
• keep on doing sth
• keep sb down
• keep sb on
• keep sb out of
• keep sb up
• keep sth from
• keep sth in mind
• keep sth on
• keep sth to oneself
• keep to sth