external secretion是什么意思？

• sweater
• 呼吁英语
• permitted
• explore
• emergency
• 权限英文
• droplets
• fake
• failure
• toxicity
• searches
• prompt
• 解决方案英文
• intermission
• passage
• profile
• approaches
• satisfaction
• narrow
• lycopene
• monitor
• conflict
• 确认英文
• general
• front
• 领域英语
• cheese
• amazing
• 队长的英文
• text

• default
• saturday
• neck
• begins
• 旋律的英文
• 参与者英文
• passage
• polite
• theatre
• various
• 来源英语
• bothering
• pear
• peeping
• client
• tourist
• maths
• cloud
• searches
• reveal
• chess翻译
• aspect
• lake
• lesson
• disappointed
• 导师英文
• panicked
• juice
• 纪念品英语
• modernize

• paper shredder
• And sales
• solid body
• catchweed
• stormwater
• Apart Together
• The Skeptic
• grape sugar
• Stop shouting
• cold encounter
• desolution
• sandbag
• missionary salesman
• Petla
• fender apron
• start school
• Refers to thought
• trample underfoot
• dinoylsebacate
• Yangtse