concave ground是什么意思？

• 领域英语
• committing
• lesson
• general
• explore
• prompt
• 流浪者英文
• polite
• volume
• 造型的英文
• toxicity
• 队长的英文
• searches
• cheese
• droplets
• erased
• 参数英文
• firmness
• disappointed
• reveal
• chess翻译
• 实施英文
• maths
• neck
• begins
• supper
• 呼吁英语
• tourist
• client
• theatre

• emergency
• 导师英文
• giraffe
• juice
• approaches
• autumn
• PEGGING
• saturday
• 局外人英文
• narrow
• lake
• passage
• front
• searches
• bombarded
• 来源英语
• rice
• various
• 方案英语
• cloud
• predict
• giraffe
• 权限英文
• peeping
• ticket
• 旋律的英文
• tomato
• BARRIE
• default
• modernize

• spent ore
• attogram
• neighbouring country
• human ties
• Gun and gun
• gelenite
• dosthinbadfaith
• platform trailer
• pheasants
• A department
• what follows
• scotoma
• eustachian tube
• For a man
• refute and question
• fierce stare
• heftiest
• alkadiene
• tympanism
• overbearing airs
• granular solids
• balneary
• person concerned
• pentolinium
• earth pitch
• Glue the floor