breeding by selection是什么意思？

• candy
• mind
• saturday
• begins
• default
• failure
• 解决方案英文
• algiers
• neck
• droplets
• dragon
• bothering
• 来源英语
• PEGGING
• erased
• satisfaction
• banger
• silver
• 领域英语
• text
• 导师英文
• polite
• vehicle
• tomato
• front
• conflict
• general
• prompt
• monitor
• approaches

• ticket
• 旋律的英文
• 实施英文
• maths
• profile
• 缺陷英文
• 参数英文
• giraffe
• pear
• searches
• searches
• sweater
• narrow
• modernize
• general
• predict
• lake
• autumn
• panicked
• intermission
• brat
• 队长的英文
• 局外人英文
• 造型的英文
• rice
• 纪念品英语
• various
• giraffe
• 参与者英文
• fiercely

• lenitic
• sweetbell redpepper
• strictly forbid
• foreign settlers
• guayule rubber
• or completion
• moral indignation
• Hotel Grand
• Cloud Elephant Hall
• barky
• abase oneself
• admit defeat
• left flank
• With birch strips
• nitrobenzene
• ratafee
• agent service
• synosteology
• wooden mallet
• fall away
• be conceited
• spledomalacia