rack one's brains是什么意思？

• amazing
• 领域英语
• dragon
• profile
• 来源英语
• begins
• silver
• 确认英文
• 缺陷英文
• volume
• 呼吁英语
• intermission
• vehicle
• bothering
• banger
• 参与者英文
• firmness
• algiers
• saturday
• panicked
• emergency
• disappointed
• ticket
• 造型的英文
• candy
• various
• failure
• maths
• predict
• peeping

• giraffe
• passage
• brat
• theatre
• monitor
• cheese
• giraffe
• supper
• lesson
• front
• 参数英文
• reveal
• searches
• approaches
• pear
• 方案英语
• 解决方案英文
• toxicity
• client
• autumn
• chess翻译
• 旋律的英文
• 抛弃英文
• 局外人英文
• explore
• 导师英文
• cloud
• 权限英文
• PAXLOVID怎么读
• lake

• Swimsuit photo
• big shot
• Tompson
• El sexto sentido
• rock candy
• bid farewell
• lacier
• flabella
• tuberous root
• minimum value
• clamp holder
• edges and corners
• red mercury sulfide
• polyformaldehyde
• helping verb
• lead line
• lithii
• magnetic performance
• tabs
• be willing
• gas fitting
• pipe organ
• mellowing storage
• ulna
• chalk up
• roll up like a mat
• tumblerful