pin down是什么意思？

• passage
• giraffe
• narrow
• 方案英语
• saturday
• organizations
• scared
• various
• modernize
• client
• panicked
• brat
• PAXLOVID怎么读
• fake
• PEGGING
• text
• droplets
• ultra
• amazing
• mind
• maths
• 导师英文
• front
• peeping
• 旋律的英文
• monitor
• 抛弃英文
• aspect
• giraffe
• 流浪者英文

• passage
• 领域英语
• 来源英语
• satisfaction
• juice
• autumn
• 权限英文
• crayon
• rice
• searches
• pear
• 解决方案英文
• toxicity
• firmness
• bothering
• general
• volume
• lesson
• 呼吁英语
• approaches
• 队长的英文
• repeat
• banger
• chess翻译
• erased
• bombarded
• ticket
• 缺陷英文
• lake
• begins

• out of doors
• out of place
• out of practice
• out of sight
• out of the question
• out of touch
• over and over
• participate in
• pass off
• preside over
• prey on
• pay attention to
• put into effect
• play a role in
• play a part
• put to use
• pay for
• pay off
• put across
• run for
• reaction to
• resist temptation
• run across
• run away with
• run through
• run up to
• smooth over
• snap at
• stand up to
• step in