operant是什么意思？

• disappointed
• prompt
• scared
• cheese
• juice
• modernize
• front
• 呼吁英语
• approaches
• 旋律的英文
• client
• committing
• brat
• 确认英文
• organizations
• banger
• permitted
• emergency
• fake
• monitor
• general
• dragon
• crayon
• lycopene
• volume
• 缺陷英文
• BARRIE
• searches
• conflict
• lesson

• profile
• lake
• peeping
• default
• satisfaction
• 纪念品英语
• 分配英文
• general
• theatre
• giraffe
• narrow
• searches
• bombarded
• droplets
• mind
• tomato
• neck
• 队长的英文
• saturday
• 方案英语
• autumn
• bothering
• silver
• supper
• 实施英文
• 造型的英文
• explore
• 导师英文
• vehicle
• toxicity

• shily
• Talk to me
• wheel spindle
• go overseas
• heat installation
• bono
• berretta
• single sided
• Hydrocotyle
• tallboy
• ship off
• this locality
• Thick ground
• a fardel
• Make it fit
• devilkin
• must always remember
• shapped
• Ga In
• untidily