backcross是什么意思？

• mind
• modernize
• toxicity
• 缺陷英文
• fiercely
• emergency
• begins
• candy
• 呼吁英语
• permitted
• intermission
• supper
• profile
• maths
• text
• volume
• 局外人英文
• general
• lake
• narrow
• sweater
• reveal
• banger
• crayon
• ultra
• approaches
• neck
• tomato
• 流浪者英文
• lycopene

• bombarded
• giraffe
• cloud
• cheese
• autumn
• vehicle
• scared
• passage
• saturday
• firmness
• searches
• juice
• failure
• satisfaction
• rice
• 纪念品英语
• client
• general
• 确认英文
• organizations
• explore
• 参数英文
• 领域英语
• 队长的英文
• chess翻译
• brat
• disappointed
• theatre
• 旋律的英文
• bothering

• cinching
• cinchonas
• cinctures
• cinctured
• cincturing
• Cinderellas
• cinematographers
• cinerarias
• cingula
• cinnamons
• circuited
• circuiting
• circuities
• circularized
• circularizing
• circularizes
• circulations
• circulators
• circumambulated
• circumambulating
• circumambulates
• circumcising
• circumcises
• circumferences
• circumflexes
• circumfused
• circumfrsed
• circumfusing
• circumfuses
• circumlocutions