hilly ground是什么意思？

• 参与者英文
• 参数英文
• default
• supper
• candy
• algiers
• 旋律的英文
• PEGGING
• reveal
• tourist
• ultra
• 方案英语
• banger
• 抛弃英文
• BARRIE
• repeat
• explore
• front
• 导师英文
• disappointed
• crayon
• failure
• organizations
• fake
• 队长的英文
• various
• erased
• volume
• cloud
• 呼吁英语

• 流浪者英文
• narrow
• permitted
• intermission
• saturday
• theatre
• mind
• neck
• lake
• 领域英语
• emergency
• bothering
• 局外人英文
• silver
• aspect
• giraffe
• scared
• modernize
• polite
• dragon
• passage
• droplets
• searches
• conflict
• 分配英文
• 实施英文
• client
• ticket
• profile
• searches

• dope off
• down in the mouth
• down payment
• doze off
• draw a blank
• draw back
• draw close
• draw in
• draw off
• draw up
• dress down
• dress up
• drop by
• drop by the wayside
• drop off
• drop out
• duck soup
• due to
• dwell on
• each other
• elbow grease
• electric charge
• electric current
• elementary school
• embark on
• end up
• equal to
• even if
• even out
• even so