reinforcing agent是什么意思？

• tourist
• volume
• maths
• amazing
• profile
• searches
• 旋律的英文
• 造型的英文
• various
• 确认英文
• autumn
• emergency
• tomato
• banger
• failure
• vehicle
• satisfaction
• BARRIE
• passage
• scared
• predict
• committing
• 局外人英文
• 参数英文
• text
• droplets
• silver
• bombarded
• candy
• organizations

• conflict
• 流浪者英文
• permitted
• peeping
• lake
• giraffe
• 解决方案英文
• algiers
• lycopene
• 分配英文
• aspect
• monitor
• saturday
• erased
• client
• fiercely
• crayon
• lesson
• juice
• 领域英语
• general
• 队长的英文
• 参与者英文
• 缺陷英文
• supper
• prompt
• panicked
• front
• rice
• intermission

• change color
• homo monstrosus
• eating house
• woodwards
• Top Paper
• carrier ring
• air swallowing
• usque ad
• Carpooling
• trigonometric
• spiritualities
• punky
• Old grandmother
• workwomen
• feel put out
• null point
• A large pot
• pokal
• assister
• simsii
• fertile soil
• Fine ground
• trace and arrest
• saddleback
• glue together