do sth. once in a while是什么意思？

• conflict
• maths
• 权限英文
• chess翻译
• 参数英文
• juice
• dragon
• prompt
• front
• repeat
• begins
• monitor
• crayon
• cheese
• 长颈鹿英语怎么说
• lesson
• ultra
• 旋律的英文
• 方案英语
• reveal
• 局外人英文
• bombarded
• default
• 流浪者英文
• volume
• peeping
• mind
• lycopene
• silver
• organizations

• passage
• 来源英语
• satisfaction
• erased
• BARRIE
• firmness
• panicked
• 造型的英文
• droplets
• brat
• amazing
• 确认英文
• supper
• autumn
• 缺陷英文
• theatre
• vehicle
• client
• general
• narrow
• scared
• toxicity
• committing
• 导师英文
• permitted
• approaches
• intermission
• polite
• fiercely
• 分配英文

• counterattacking
• Fangcao
• Dry wheat
• Slight advance
• box off
• Hole out
• fresh water
• strand line
• fnrfuryl
• Holoway
• green onions
• week day
• on tiptoe
• mummery
• hair or hair style
• Period of illness
• reject with thanks
• historic site
• Or goods
• treponemata
• activated carbon
• city article
• meat stuffing
• old friend
• cyperus rotundus